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Sanidine

A valid IMA mineral species - grandfathered
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About SanidineHide

Formula:
K(AlSi3O8)
Colour:
Colourless, white, grey, yellowish white, or reddish white
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
2.56 - 2.62
Crystal System:
Monoclinic
Name:
From the Greek "sanis" for "little plate" and "idos" for "to see."
Feldspar Group.

The high-temperature, fully disordered (in its Al and Si distribution), form of K-feldspar; other potassium-dominant feldspars are microcline (fully ordered) and orthoclase (partly ordered). It is metastable at room temperature, and can revert to orthoclase over long geological periods.

It forms an (alkali feldspar) series at high temperature with high albite. Petrologically, intermediates in this series from 10% up to 36% K-feldspar were termed anorthoclase, and anything from 36 - 100% K-feldspar was termed sanidine, even where Na>K. With current classifications, the name anorthoclase is discontinued and the intermediates should be called either albite (if Na>K) or sanidine (if K>Na).

It is common in many potassic volcanic rocks, some high level intrusive rocks and other high-temperature rocks like buchites.

The Fe analogue, UM1993-23-SiO:AlFeK, is now IMA-approved as ferrisanidine.




Unique IdentifiersHide

Mindat ID:
3521
Long-form identifier:
mindat:1:1:3521:3
GUID
(UUID V4):
04018236-c69a-4310-af36-20dd2f6038ed

IMA Classification of SanidineHide

Approved, 'Grandfathered' (first described prior to 1959)

Classification of SanidineHide

9.FA.30

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
76.1.1.2

76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
16.3.7

16 : Silicates Containing Aluminum and other Metals
3 : Aluminosilicates of K

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
SaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
SaKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
SaSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
SaWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
SaThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download
SaWarr (2020)Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of SanidineHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Colourless, white, grey, yellowish white, or reddish white
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
{001} Perfect, {010} distinct
Parting:
{100}
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.56 - 2.62 g/cm3 (Measured)    2.56 g/cm3 (Calculated)

Optical Data of SanidineHide

Type:
Biaxial (-)
RI values:
nα = 1.518 - 1.525 nβ = 1.523 - 1.530 nγ = 1.525 - 1.531
2V:
Measured: 60° , Calculated: 48° to 64°
Max Birefringence:
δ = 0.007
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v distinct
Optical Extinction:
Y = b; Z ∧ c ≃ -20Β° (low); Z = b; Y ∧ c ≃ -21Β° (high).

Chemistry of SanidineHide

Mindat Formula:
K(AlSi3O8)
Common Impurities:
Fe,Ca,Na,H2O

Age distributionHide

Recorded ages:
Phanerozoic : 112 Β± 2 Ma to 0.00129 Β± 0.00056 Ma - based on 102 recorded ages.

Crystallography of SanidineHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 8.603(2) Å, b = 13.036(4) Å, c = 7.174(2) Å
β = 116.03(2)°
Ratio:
a:b:c = 0.66 : 1 : 0.55
Unit Cell V:
722.94 Γ…Β³ (Calculated from Unit Cell)
Z:
4
Morphology:
Tabular with square cross section
Twinning:
Carlsbad - common
Baveno, Manebach - rarer
Comment:
High sanidine (forms a series with high albite).

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000781SanidineViswanathan K, Brandt K (1980) The crystal structure of ternary (Ba,K,Na)-feldspar and its significance American Mineralogist 65 472-4761980Otjosondu, Namibia0293
0020567SanidineDeubener J, Sternitzke M, Mueller G (1991) Feldspars MAlSi3O8 (M=H,Li,Ag) synthesized by low-temperature ion exchange American Mineralogist 76 1620-16271991Volkesfeld, Eifel, Germany0293
0000312SanidinePhillips M W, Ribbe P H (1973) The structures of monoclinic potassium-rich feldspars American Mineralogist 58 263-2701973Laacher See, Eifel District, Germany0293
0000695SanidineKeefer K D, Brown G E (1978) Crystal structure and composition of sanidine and high albite in cryptoperthitic intergrowth Note this sample of feldspar is from the Rabb Canyon pegmatite, Grant County, New Mexico, USA American Mineralogist 63 1264-127319780293
0001125SanidineScambos T A, Smyth J R, McCormick T C (1987) Crystal-structure refinement of high sanidine from the upper mantle American Mineralogist 72 973-97819870293
0005270SanidineFerguson R B, Ball N A, Cerny P (1991) Structure refinement of an adularian end-member high sanidine from the Buck Claim Pegmatite, Bernic Lake, Manitoba The Canadian Mineralogist 29 543-5521991Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada0293
0005271SanidineFerguson R B, Ball N A, Cerny P (1991) Structure refinement of an adularian end-member high sanidine from the Buck Claim Pegmatite, Bernic Lake, Manitoba The Canadian Mineralogist 29 543-5521991Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada0293
0005272SanidineFerguson R B, Ball N A, Cerny P (1991) Structure refinement of an adularian end-member high sanidine from the Buck Claim Pegmatite, Bernic Lake, Manitoba The Canadian Mineralogist 29 543-5521991Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada0293
0005273SanidineFerguson R B, Ball N A, Cerny P (1991) Structure refinement of an adularian end-member high sanidine from the Buck Claim Pegmatite, Bernic Lake, Manitoba The Canadian Mineralogist 29 543-5521991Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada0293
0006421SanidineKroll H, Flogel J, Breit U, Lons J, Pentinghaus H (1991) Order and anti-order in Ge-substituted alkali feldspars European Journal of Mineralogy 3 739-74919910293
0006587SanidineKimata M, Saito S, Shimizu M (1995) Structure of sanidine-type KGaSi3O8: Tetrahedral-site disordering in potassium feldspar European Journal of Mineralogy 7 287-29319950293
0006610SanidineKimata M, Shimizu M, Saito S (1996) High-temperature crystal structure of sanidine Part II. The crystal structure of sanidine at 935 C European Journal of Mineralogy 8 15-2419960293
0006611SanidineKimata M, Shimizu M, Saito S (1996) High-temperature crystal structure of sanidine Part II. The crystal structure of sanidine at 935 C European Journal of Mineralogy 8 15-2419960293
0007255SanidineMenna M, Tribaudino M, Renzulli A (2008) Al-Si order and spinodal decomposition texture of sanidine from igneous clasts of Stromboli (southern Italy): insights into the timing between the emplacement of a shallow basic sheet intrusion and the eruption of related ejecta European Journal of Mineralogy 20 183-1902008Stromboli volcano, southern Italy0293
0020508SanidineAngel R J, Ross N L, Zhao J, Sochalski-Kolbus L, Kruger H, Schmidt B C (2013) Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars European Journal of Mineralogy 25 597-6142013Unknown0293
0020554SanidineAngel R J, Ross N L, Zhao J, Sochalski-Kolbus L, Kruger H, Schmidt B C (2013) Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars European Journal of Mineralogy 25 597-6142013Synthetic0293
0020555SanidineAngel R J, Ross N L, Zhao J, Sochalski-Kolbus L, Kruger H, Schmidt B C (2013) Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars European Journal of Mineralogy 25 597-6142013Synthetic0293
0020563SanidineRibbe P H (1963) A refinement of the crystal structure of sanidinised orthoclase Acta Crystallographica 16 426-4271963Unknown0293
0018087SanidineTaylor W (1933) The structure of sanidine and other feldspars 2.56 _cod_database_code 1011224 Zeitschrift fur Kristallographie 85 425-44219330293
0018062SanidineTaylor W (1934) The structure of sanidine and other felspars _cod_database_code 1011187 Zeitschrift fur Kristallographie 87 464-48119340293
0010740SanidineWeitz G (1972) Die struktur des saninins bei verschiedenen ordnungsgraden Zeitschrift fur Kristallographie 136 418-4261972Volkesfeld, Eifel0293
0010741SanidineWeitz G (1972) Die struktur des saninins bei verschiedenen ordnungsgraden Zeitschrift fur Kristallographie 136 418-4261972Volkesfeld, Eifel0293
0020564SanidineOhashi Y, Finger LW (1974) Refinement of the crystal structure of sanidine at 25 and 400C Carnegie Institution of Washington: Yearbook 73 539-5441974Laacher See, Eifel District, Germany0298
0020565SanidineOhashi Y, Finger LW (1974) Refinement of the crystal structure of sanidine at 25 and 400C Carnegie Institution of Washington: Yearbook 73 539-5441974Laacher See, Eifel District, Germany0673
0020566SanidineOhashi Y, Finger LW (1975) An effect of temperature on the feldspar structure: crystal structure of sanidine at 800C Carnegie Institution of Washington: Yearbook 74 569-5721975Laacher See, Eifel District, Germany01073
0020570SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar0293
0020571SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar0293
0020572SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar0293
0020573SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar0923
0020574SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01023
0020575SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01123
0020576SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01123
0020577SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01323
0020578SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01223
0020579SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01223
0020580SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01323
0020581SanidineGering E (1985) Silizium/Aluminium-Ordnung und Kristallperfektion von Sanidinen Dissertation Kernforshungszentrum Karlsruhe 1 1-971985Madagascar01323
0012862SanidineGualtieri A F (2000) Accuracy of XRPD QPA using the combined Rietveld-RIR method Journal of Applied Crystallography 33 267-2782000Latera, Viterbo, Italy0293
0020560SanidineKimata M, Saito S, Shimizu M, Iida I, Matsui T (1996) Low-temperature structures of orthoclase and sanidine Neues Jahrbuch fur Mineralogie, Abhandlungen 171 199-2131996Volkesfeld, Eifel, Germany0121
0020561SanidineKimata M, Saito S, Shimizu M, Iida I, Matsui T (1996) Low-temperature structures of orthoclase and sanidine Neues Jahrbuch fur Mineralogie, Abhandlungen 171 199-2131996Volkesfeld, Eifel, Germany0293
0020562SanidineOnorato E, Penta M, Sgarlata F (1963) Struttura del Sanidino Periodico di Mineralogia 32 1-341963Alban Hills, Rome Province, Latium, Italy0293
0020557SanidineAckermann S, Kunz M, Armbruster T, Schefer J, Hanni H (2004) Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: A combined neutron- and X-ray single-crystal diffraction study Schweizerische Mineralogische und Petrographische Mitteilungen 84 345-3542004Itrongay, Madagascar0293
0020558SanidineAckermann S, Kunz M, Armbruster T, Schefer J, Hanni H (2004) Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: A combined neutron- and X-ray single-crystal diffraction study Schweizerische Mineralogische und Petrographische Mitteilungen 84 345-3542004Itrongay, Madagascar0293
0020559SanidineAckermann S, Kunz M, Armbruster T, Schefer J, Hanni H (2004) Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: A combined neutron- and X-ray single-crystal diffraction study Schweizerische Mineralogische und Petrographische Mitteilungen 84 345-3542004Itrongay, Madagascar0293
0020556SanidineBrown G E, Hamilton W C, Prewitt C T, Sueno S (1974) Neutron diffraction study of Al/Si ordering in sanidine: a comparison with X-ray diffraction data The Feldspars: Proceedings of a NATO Advanced Study Institute 68-801974Laacher See, Eifel District, Germany0293
0020568SanidineMarcille I M, Organova N I, Rozhdestvenskaya I V (1993) Verification of the crystalline structure for sanidines Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 2 85-891993Khibiny Massif, Kola Peninsula, Russia0293
0020569SanidineMarsii I M, Organova N I, Rozhdestvenskaya I V (1993) Verification of the crystalline structure for sanidines Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 2 85-891993Mongolia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.326 Γ…(100)
3.284 Γ…(60)
3.788 Γ…(57)
4.235 Γ…(53)
3.225 Γ…(52)
2.584 Γ…(35)
3.458 Γ…(31)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 2: Planetesimal differentiation and alteration4.566-4.550
5 : Primary asteroid phases4.566–4.560
Stage 3a: Earth’s earliest Hadean crust>4.50
8 : Mafic igneous rocks
9 : Lava/xenolith minerals (hornfels, sanidinite facies)
10 : Basalt-hosted zeolite minerals
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks
20 : Acidic volcanic rocks
Near-surface Processes
24 : Authigenic minerals in terrestrial sediments (see also #17)
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks
36 : Carbonatites, kimberlites, and related igneous rocks
Stage 5: Initiation of plate tectonics<3.5-2.5
39 : High-𝑃 metamorphism (blueschist, eclogite, ultrahigh 𝑃 facies)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
50 : Coal and/or oil shale minerals<0.36
Stage 10b: Anthropogenic minerals<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)
Geological Setting:
Acidic volcanic rocks

Type Occurrence of SanidineHide

Synonyms of SanidineHide

Other Language Names for SanidineHide

Varieties of SanidineHide

AzuliciteA transparent blue iridescent variety of Sanidine.
Barium-SanidineA barian Sanidine variety with 5% BaO.
Originally described from Comb Butte, Highwood Mts, Chouteau Co., Montana, USA.
Citron FeldsparA trade name for yellow gem-quality sanidine feldspar as found in Madagascar.
High sanidineThe high-temperature form of sanidine, believed to be stable above 800°C.
Low sanidineThe low temperature form of sanidine, believed to be stable between 650°C and 800°C. Above this temperature high sanidine is formed, and below this orthoclase and microcline.

Relationship of Sanidine to other SpeciesHide

Other Members of this group:
MicroclineK(AlSi3O8)Tric. 1
OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
88 photos of Sanidine associated with PseudobrookiteFe2TiO5
75 photos of Sanidine associated with TitaniteCaTi(SiO4)O
74 photos of Sanidine associated with HematiteFe2O3
49 photos of Sanidine associated with HaΓΌyneNa3Ca(Si3Al3)O12(SO4)
42 photos of Sanidine associated with MagnetiteFe2+Fe3+2O4
39 photos of Sanidine associated with ZirconZr(SiO4)
37 photos of Sanidine associated with QuartzSiO2
35 photos of Sanidine associated with Pyroxene GroupADSi2O6
29 photos of Sanidine associated with EnstatiteMg2Si2O6
25 photos of Sanidine associated with NoseanNa8(Al6Si6O24)(SO4) Β· H2O

Related Minerals - Strunz-mindat GroupingHide

9.FA.HexacelsianBaAl2Si2O8Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
9.FA.Wodegongjieite KCa3(Al7Si9)O32Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
9.FA.05KaliophiliteKAlSiO4Trig. 3 : P3
9.FA.05KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
9.FA.05NephelineNa3K(Al4Si4O16)Hex. 6 : P63
9.FA.05Panunzite(K,Na)AlSiO4Hex. 6 : P63
9.FA.05TrikalsiliteK2NaAl3(SiO4)3Hex. 6 : P63
9.FA.05Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
9.FA.05CarnegieiteNaAlSiO4Tric.
9.FA.05 vaGermanate-nepheline(Na,K)AlGeO4
9.FA.05MegakalsiliteKAlSiO4Hex. 6 : P63
9.FA.05TrinephelineNaAlSiO4 Hex. 6 : P61
9.FA.05Davidsmithite(Ca,β—»)2Na6Al8Si8O32Hex. 6 : P63
9.FA.10MalinkoiteNaBSiO4Hex. 6 : P63
9.FA.15VirgiliteLiAlSi2O6Hex. 6 2 2 : P62 2 2
9.FA.25LisitsyniteKBSi2O6Orth. 2 2 2 : P2 2 2
9.FA.30Buddingtonite(NH4)(AlSi3O8)Mon. 2 : P21
9.FA.30CelsianBa(Al2Si2O8)Mon. 2/m
9.FA.30MicroclineK(AlSi3O8)Tric. 1
9.FA.30OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30RubiclineRb(AlSi3O8)Mon. 2/m : B2/m
9.FA.30 vaGermanate-celsianBaAl2Ge2O8
9.FA.30MonalbiteNaAlSi3O8Mon. 2/m : B2/m
9.FA.30FerrisanidineK[Fe3+Si3O8]Mon. 2/m : B2/m
9.FA.35AlbiteNa(AlSi3O8)Tric. 1
9.FA.35AnorthiteCa(Al2Si2O8)Tric. 1 : P1
9.FA.35ReedmergneriteNaBSi3O8Tric. 1 : P1
9.FA.40ParacelsianBa(Al2Si2O8)Mon. 2/m : P21/b
9.FA.45SvyatoslaviteCa(Al2Si2O8)Mon. 2 : P21
9.FA.45KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
9.FA.50SlawsoniteSr(Al2Si2O8)Mon. 2/m : P21/b
9.FA.55LisetiteCaNa2Al4Si4O16Orth. mm2
9.FA.60BanalsiteNa2BaAl4Si4O16Orth. mm2 : Iba2
9.FA.60StronalsiteNa2SrAl4Si4O16Orth.
9.FA.65DanburiteCaB2Si2O8Orth. mmm (2/m 2/m 2/m)
9.FA.65MaleeviteBaB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.65PekoviteSrB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.70StΓΆffleriteCaAl2Si2O8Tet. 4/m : I4/m
9.FA.70Lingunite(Na,Ca)AlSi3O8Tet. 4/m : I4/m
9.FA.70LiebermanniteKAlSi3O8Tet. 4/m : I4/m
9.FA.75KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Sanidine in petrologyHide

Internet Links for SanidineHide

References for SanidineHide

Reference List:

Localities for SanidineHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. β“˜ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Afghanistan
 
  • Helmand
    • Reg District
      • Khanneshin complex
Vikhter et al. (1976) +1 other reference
Africa
 
Odman +2 other references
Marcelot et al. (1985) +4 other references
Algeria
 
  • Skikda Province
    • Azzaba District
      • Es Sebt
Kamiskey +2 other references
Kamiskey +1 other reference
  • Tamanrasset Province (Tamanghasset Province)
    • Tamanrasset District
M. Girod
M. Girod
Angola
 
  • Cuanza Norte Province
Neiva (1959) +1 other reference
  • HuΓ­la Province
    • Quilengues
Eur. J. Mineral. +7 other references
  • Namibe Province
    • Camacuio
Lapido-Loureiro +2 other references
Antarctica
 
  • Eastern Antarctica
    • Enderby Land
      • Edward VIII Bay
Journal of Petrology et al. (7)
    • Queen Maud Land
Luttinen et al. (2002)
Harris et al. (1993) +1 other reference
Riley et al. (2009)
    • Victoria Land
      • Adare Peninsula
        • Cape Adare
sold by B. Quaritch [and others]. +1 other reference
Hamilton (1972) +1 other reference
Proceedings of the VII International ... +1 other reference
Harrington et al. (1967) +1 other reference
MΓΌller et al. (1991)
Martin et al. (2013)
Gair (1967) +1 other reference
WΓΆrner G and Viereck L (Victoria Land, Antarctica) +1 other reference
Martin et al. (2010)
  • Western Antarctica
    • Marie Byrd Land
LeMasurier et al. (1982) +3 other references
Argentina
 
  • Catamarca Province
    • Antofagasta de la Sierra Department
Francis +7 other references
  • Chubut Province
    • Paso de Indios Department
      • Los Altares
Zalba et al. (2011)
  • Mendoza Province
    • Las Heras Department
      • Capdevilla District
Pagano et al. (2016) +2 other references
  • RΓ­o Negro Province
    • Veinticinco de Mayo Department
Grecco et al. (2012)
  • Salta Province
    • Iruya Department
Woolley (1987)
    • Los Andes department
      • San Antonio de los Cobres
LΓ³pez et al. (2018)
  • Santa Cruz Province
    • Lago Buenos Aires Department
      • Sascha Project
Smith (2009)
  • TucumΓ‘n Province
RaΓΊl Jorge Tauber Larry
Armenia
 
  • Ararat Province
  • Kotayk Province
Kogarko et al. (1995)
Atlantic Ocean
 
  • Gorringe Ridge
Cornen (1982) +3 other references
  • Walvis Ridge
Carman et al. (South Atlantic) +1 other reference
Australia
 
  • New South Wales
    • Ashburnham Co.
Wellman et al. (1974) +1 other reference
    • Brisbane Co.
Martin (1984)
    • Buckland Co.
Flood (1993)
    • Macquarie Co.
      • Port Macquarie
Knutson +4 other references
    • Nandewar Co.
Dunn et al. (2007)
    • Pottinger Co.
specimen in collection
    • Wallace Co.
Mackenzie et al. (1970)
    • Yancowinna Co.
      • Broken Hill district
Birch (1999)
  • Northern Territory
    • West Arnhem Region
      • Alligator Rivers
Stuart-Smith et al. (1984)
Page et al. (1980) +1 other reference
  • Queensland
    • Central Highlands Region
      • Capella
R. Wally Johnson +3 other references
Webb et al. (1967) +4 other references
    • Scenic Rim Region
ROSS et al. (1987)
  • Tasmania
    • Break O'Day municipality
      • Blue Tier district
Bottrill et al. (2008)
    • Central Highlands municipality
      • Interlaken
Bottrill et al. (2008)
    • Clarence city
Bottrill et al. (2020)
    • Dorset municipality
      • Waterhouse district
Everard
    • Huon Valley municipality
      • Huon-Channel region
Bottrill +5 other references
Taheri
Bottrill et al. (editors) +1 other reference
Taheri
    • Kingborough municipality
      • Kettering
Bottrill (1998)
    • Waratah-Wynyard municipality
      • Boat Harbour
Sutherland
www.crocoite.com (2003)
  • Victoria
    • City of Hume
      • Greenvale
W.D 1979. Titan-phlogopite in amygdales ...
    • Hepburn Shire
      • Daylesford
Henry
    • Macedon Ranges
Sutton (2017)
    • Macedon Ranges Shire
Edwards (1938) +13 other references
    • Moorabool Shire
      • Mount Egerton
  • Western Australia
    • Derby-West Kimberley Shire
      • Noonkanbah Station
Jaques (2017)
Le Maitre (1975)
Austria
 
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
U. Kolitsch et al. (2009)
  • Carinthia
    • Wolfsberg District
      • Wolfsberg
        • Lading
Niedermayr et al. (1995)
  • Styria
    • SΓΌdoststeiermark District
      • Bad Gleichenberg
        • Klausen
Neschen (n.d.)
        • Wilhelmsdorf
Exel (1993) +1 other reference
      • Feldbach
        • Gossendorf
Exel (1993)
        • MΓΌhldorf bei Feldbach
Postl et al. (1996)
      • KlΓΆch
Taucher et al. (1998)
  • Tyrol
    • Kufstein District
      • Brixlegg
Kolitsch (2013)
  • Upper Austria
    • Gmunden District
      • Bad Ischl
K.Breuer
Azerbaijan
 
  • Lerik District
Gupta (2015)
Bolivia
 
  • Cochabamba
    • Capinota Province
Woolley (1987)
  • Oruro
    • Cercado Province
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
  • PotosΓ­
    • Sud LΓ­pez Province
      • Cerro Bonete
D. Richter (1992)
      • San Antonio de LΓ­pez
Ludington et al. (1992)
Brazil
 
  • CearΓ‘
... +1 other reference
Rao et al. (1972)
Rao et al. (1972)
  • EspΓ­rito Santo
    • VitΓ³ria
      • Trindade and Martin Vaz archipelago
Cordani (1970) +9 other references
Mineralogical Magazine 1998 62 : ...
  • Minas Gerais
    • Caldas
Waber (1991) +1 other reference
Guarino et al. (2021)
    • Serra do Salitre
Haggerty et al. (1983)
  • Pernambuco
www.unb.br (2006)
  • Rio de Janeiro
    • Cachoeiras de Macacu
da Silva et al. (2023)
  • Rio Grande do Sul
    • CaΓ§apava do Sul
      • Minas do CamaquΓ£
Pereira et al. (2021)
  • SΓ£o Paulo
    • Ilhabela
      • BΓΊzios island
de Barros Gomes et al. (2017)
Bulgaria
 
  • Kyustendil Province
    • Kyustendil Municipality
Collection Marcus Voigt
  • Smolyan Province
Svetoslav Petrussenko et al. (2007)
  • Sofia Province
    • Svoge Municipality
      • Svidnya
Grozdanov +4 other references
Cameroon
 
  • Adamawa Region
    • Vina
Lasserre +11 other references
  • Far North Region
Gouhier (1974) +1 other reference
  • North Region
    • BΓ©nouΓ©
Koch (O52) +2 other references
  • Northwest Region
Marzoli et al. (Africa) +8 other references
  • Southwest Region
JΓ©rΓ©mine (1943) +2 other references
Canada
 
  • Alberta
    • Crowsnest Pass
      • Coleman
Tschernich (1992)
  • British Columbia
    • Greenwood Mining Division
      • Beaverdell
Russ F Epp Collection
    • Liard Mining Division
Am. Min. 59
    • Osoyoos Mining Division
      • Penticton
Dave Joyce personal collection
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
153-155. +1 other reference
  • New Brunswick
    • Charlotte Co.
      • Saint George Parish
Parrish (1977)
  • Nunavut
    • Kivalliq Region
      • Mallery Lake
Turner et al. (2001)
    • Qikiqtaaluk Region
      • Baffin Island
Hogarth (1997)
  • QuΓ©bec
    • Abitibi-TΓ©miscamingue
      • La VallΓ©e-de-l'Or RCM
        • RΓ©servoir-Dozois
Olivier Langelier Collection
    • GaspΓ©sie-Îles-de-la-Madeleine
      • La CΓ΄te-de-GaspΓ© RCM
        • Murdochville
Estrie and Gaspesie +2 other references
    • MontΓ©rΓ©gie
      • La VallΓ©e-du-Richelieu RCM
        • Mont Saint-Hilaire
166-175. +2 other references
Cape Verde
 
  • Barlavento Islands
Gerlach et al. (1988) +3 other references
Barker et al. (2012)
Chad
 
  • Hadjer-Lamis Region
Garde +2 other references
  • Tibesti Region
Reynolds et al. (Tripoli) +9 other references
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Salar de Atacama
Richter et al. (2015)
China
 
  • Guangdong
    • Foshan
      • Nanhai District
Zhou et al. (2009)
    • Jieyang
      • Huilai Co.
Zhaohua Zhang and Shenyao Xiao (1985)
  • Guangxi
    • Guigang
      • Gangnan District
Chengqi Hu et al. (1997)
    • Hechi
      • Nandan County
        • Dachang Sn-polymetallic ore field
Acta Geologica Sinica (2004)
Acta Geologica Sinica (2004)
  • Guizhou
    • Qiandongnan
      • Zhenyuan County
HOUJUN et al. (1989) +1 other reference
  • Hebei
    • Chengde
      • Chengde County
        • Damiao complex
Jing Sun et al. (2009)
  • Heilongjiang
    • Heihe
      • Aihui District
Zhai et al. (2015)
      • Wudalianchi City
Jiaxiang Qiu and Qun'an Liao (1990)
    • Yichun
      • Jiayin County
        • Wulaga Mine
Changchun School of Metallurgy and Geology (1976)
  • Henan
    • Sanmenxia
      • Lushi County
Gufeng Luo (1983)
  • Hubei
    • Jingmen
      • Jingshan Co.
Zhang Hong-Fu et al. (2001)
  • Hunan
    • Changsha
      • Ningxiang City
Mei et al. (1998)
  • Inner Mongolia
    • Baotou City (Baotou Prefecture)
      • Binhe New District
        • Wulashan mining district
Ping Hu et al. (2005)
    • Ulanqab City (Wulanchabu Prefecture)
      • Fengzhen County
Zhang et al. (2022)
  • Jiangxi
    • Fuzhou
      • Chongren Co.
Wenbin Zhou (2000)
    • Yingtan
      • Guixi Co.
Nan Ye (1993)
  • Jilin
    • Changchun
      • Jiutai Co.
Zhixian Liu (1985)
  • Qinghai
    • GyΓͺgu Autonomous Prefecture (Yushu Autonomous Prefecture)
      • Zhidoi Co. (Zhiduo Co.)
Wang et al. (2005) +1 other reference
  • Shandong
    • Linyi
      • Mengyin County
        • Mengyin Kimberlite field
          • Changma Kimberlite belt
            • Wangcun deposit
Wuyi Wang (1998)
  • Shanxi
    • LΓΌliang
      • Xing County
Yang et al. (2006) +1 other reference
  • Sichuan
    • Liangshan Yi
      • Yanyuan County
Guo et al. (2005)
  • Tibet
    • Lhasa
      • Damxung Co. (Dangxiong Co.)
Le Maitre (2002) +1 other reference
    • Nagchu Prefecture (Naqu Prefecture)
      • Nyima Co. (Nima Co.)
Zhao et al. (2006) +1 other reference
Siping Liao et al. (2002) +1 other reference
Ding et al. (2003)
      • Shuanghu Co.
Guo et al. (2006)
    • Ngari
      • GΓͺrzΓͺ Co.
Ding et al. (2003) +1 other reference
    • XigazΓͺ Prefecture (Rikaze Prefecture; Shigatse Prefecture)
      • Ngamring Co. (Angren Co.)
Ding et al. (2003) +2 other references
Zhao et al. (2009)
      • Zhongba Co.
Le Maitre (2002) +1 other reference
  • Xinjiang
    • Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture)
      • Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.)
        • Baigan Lake (Baigan Hu)
          • Baiganhu W-Sn ore field
Guizhong Liu et al. (2007)
Le Maitre (2002) +1 other reference
    • Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture)
      • Tashiku'ergan Co. (Taxkorgan Co.; Tashqurqan Co.)
Lei et al. (1998) +2 other references
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Aletai Co. (Altay Co.)
Xia et al. (2022)
  • Yunnan
    • Pu'er
      • Lancang County
Jinchan Li and Yuhua Yang (2006)
  • Zhejiang
    • Hangzhou
      • Chun'an County
Letian Du and Wenguang Wang (2012) +1 other reference
Comoros
 
Strong (1972) +5 other references
Czech Republic
 
  • Karlovy Vary Region
    • Cheb District
      • OvesnΓ© Kladruby
Ulrych +7 other references
Jan HlouΕ‘ek
  • Liberec Region
    • ČeskΓ‘ LΓ­pa District
      • Polevsko
O.Janeček
      • Tachov
P.PauliΕ‘ et al. (2017)
    • Liberec District
      • Raspenava
Blumrich (1893)
  • Moravian-Silesian Region
    • FrΓ½dek-MΓ­stek District
      • Sviadnov
MatΓ½sek et al. (2022)
    • Ostrava-City District
      • Ostrava
        • HeΕ™manice
Dalibor MatΓ½sek
  • Plzeň Region
    • Plzeň-North District
      • PΕ™Γ­Ε‘ov
Ulrych
  • ÚstΓ­ nad Labem Region
    • Chomutov District
Pivec et al. (1982) +3 other references
    • LitomΔ›Ε™ice District
      • TΕ™ebuΕ‘Γ­n
P. PauliΕ‘ - Die interessantesten ...
M.Radoň-VΓ½znamnΓ© mineralogickΓ© lokality ČeskΓ©ho stΕ™edohoΕ™Γ­ (čas.MinerΓ‘l 2/2009)
Hibsch et al. (1911)
    • Most District
      • Ε½elenice
Pazdernik (1997)
    • Teplice District
      • ProboΕ‘tov
Breithaupt (1866)
    • ÚstΓ­ nad Labem District
      • Povrly
        • Roztoky
Recommendations of the International ... +11 other references
  • ZlΓ­n Region
    • UherskΓ© HradiΕ‘tΔ› District
      • Komňa
PauliΕ‘
Denmark
 
Pedersen et al. (1975) +3 other references
Djibouti
 
  • Tadjourah Region
Richard +3 other references
DR Congo
 
  • North Kivu
    • Masisi Territory
      • Bahunde
Richard +9 other references
    • Nyiragongo Territory
Haapala (2011)
Egypt
 
  • Aswan Governorate
El Ramly et al. (1979)
  • Red Sea Governorate
Mogahed (2016)
Higazy et al. (1960) +1 other reference
    • Port Safaga area
Hassan et al. (2015)
Hussein et al. (1988)
El Ramly
El Salvador
 
Equatorial Guinea
 
  • Insular Region
Mitchell-ThomΓ© (1970) +6 other references
Eritrea
 
  • Northern Red Sea Region
Namias (1892)
    • Alid volcanic center
Journal of Petrology
Namias (1892)
Namias (1892)
  • Southern Red Sea Region
Namias (1892)
Namias (1892)
Estonia
 
  • Harju County
    • JΓ΅elΓ€htme
Ethiopia
 
  • Afar Region
    • Kilbet Rasu
Barberi et al. (Ethiopia) +4 other references
  • Amhara Region
Comucci (1950) +1 other reference
    • North Gondar Zone
Comucci (1950) +1 other reference
  • Oromia Region
    • Arsi Zone
Di Paola (between 7ΒΊ00' and 8ΒΊ40' lat.north) +4 other references
    • East Shewa Zone
Alula et al. (1992)
Alfredo Petrov collection
M.S. Garson (pers.comm. 1990) +2 other references
    • West Arsi Zone
      • Shashamane
Alfredo Petrov field collected ...
  • Southern Nations Nationalities and Peoples' Region
    • Konso
DAVIDSON (1983)
Fiji
 
  • Viti Levu
    • Navilawa
Clarke et al. (2023)
Finland
 
  • South Ostrobothnia
    • LappajΓ€rvi
Lehtinen
France
 
  • Auvergne-RhΓ΄ne-Alpes
    • ArdΓ¨che
      • Privas
        • Saint-Priest
Bull. Soc. Franç. Minéralo. ...
    • Cantal
      • Aurillac
        • Vic-sur-CΓ¨re
          • ThiΓ©zac
Brousse +17 other references
      • Mauriac
        • Menet
Brousse R (1966)
      • Saint-Flour
        • LaveissiΓ¨re
          • La Grange de Ganilh
Designolle (2023)
          • Le Lioran
R. Pierrot
R. Pierrot
Brousse +3 other references
    • Haute-Loire
      • Le Puy-en-Velay
        • Espaly-Saint-Marcel
Barrier D et al. (2004)
        • Saint-Pierre-Eynac
J.L. Poitevin
        • Velay Volcanic Area
Brousse +1 other reference
    • Puy-de-DΓ΄me
Brousse +13 other references
      • Issoire
        • Besse-et-Saint-Anastaise
PΓ©rinet (n.d.)
MΓΌller et al. (2023)
        • Chambon-sur-Lac
          • VoissiΓ¨re
PΓ©rinet (n.d.)
        • Chastreix
P & E MΓ©dard collection
Gourgaud A. (1985)
        • Issoire
Jean Brun collection
        • Mont-Dore
P. & E. Medard collection
J.-J. PΓ©richaud: "Les MinΓ©raux ...
P & E MΓ©dard collection
PΓ©rinet (n.d.)
        • Murol
Pegere G. (2005)
        • NΓ©bouzat
PΓ©rinet (n.d.)
        • Perpezat
Valverde (2009)
        • Picherande
Arliguie M collection
        • Saint-Babel
King (n.d.)
Bailey +7 other references
Brousse +7 other references
      • Riom
        • Saint-Ours-les-Roches
MΓ©dard P. et al. (2009)
  • Brittany
    • FinistΓ¨re
      • Quimper
Chauris (2014)
  • French Polynesia
    • Marquesas Islands
volcanologie et al. (6) +13 other references
Lacroix A. (1931) +3 other references
    • Society Islands
      • Leeward Islands
LEGENDRE et al. (2003)
  • French Southern and Antarctic Lands
    • Crozet Islands
Chevallier et al. (1983)
  • Martinique
    • Arrondissement of Le Marin
      • Les Trois-Îlets
  • Occitanie
    • Aveyron
      • Rodez
        • Condom-d'Aubrac
Brousse +8 other references
Germany
 
  • Baden-WΓΌrttemberg
    • Freiburg Region
      • Breisgau-Hochschwarzwald
        • BΓΆtzingen
SpΓΌrgin et al. (2019)
in the collection of Bernd Gassmann +1 other reference
        • Vogtsburg im Kaiserstuhl
          • Oberbergen
Weiß (1990)
          • Oberrotweil
SpΓΌrgin et al. (2019)
      • Konstanz
Alibert et al. (1983) +6 other references
      • Ortenaukreis
        • Hornberg
Walenta (1992)
    • Karlsruhe Region
      • Rhein-Neckar-Kreis
        • Eberbach
Lippolt et al. (1976) +5 other references
Rosenbusch (1869)
  • Bavaria
    • Lower Franconia
      • Haßberge District
        • Maroldsweisach
Wittern (2001)
    • Upper Palatinate
      • Tirschenreuth District
        • Kemnath
          • Waldeck
PΓΆllmann et al. (2007)
        • Kulmain
Weiß (1990)
        • Pechbrunn
Weiß (1990)
  • Hesse
    • Darmstadt
      • Darmstadt-Dieburg
        • Roßdorf
Belendorff (2021)
    • Kassel Region
      • Fulda
        • Hilders
          • Rupsroth
Weiß (1990)
Taylor Jr et al. (1967) +6 other references
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Brilon
Wirausky (2021)
    • Cologne
      • Bonn
Brauns et al. (1922)
      • Rhein-Sieg-Kreis
        • KΓΆnigswinter
Nose (1808) +1 other reference
Brauns et al. (1922)
Brauns et al. (1922)
Brauns et al. (1922)
        • Wachtberg
          • Berkum
Frechen (1976)
          • Niederbachem
Brauns et al. (1922)
Recommendations of the International ... +9 other references
  • Rhineland-Palatinate
    • Ahrweiler
      • Adenau
        • Quiddelbach
Hentschel (1987)
      • Bad Breisig
        • Brohl-LΓΌtzing
Brauns (1909)
      • Brohltal
        • Brenk
Vom Rath (1860)
C. & H. SchΓ€fer collection. +1 other reference
        • Burgbrohl
Hentschel (1983)
        • Glees
in the collection of Christof SchΓ€fer
Rath
Brauns
          • Maria Laach
Klaproth et al. (1815)
Rath et al. (1863)
        • Spessart
          • Hannebach
Hentschel (1987)
Hentschel (1975)
        • Wassenach
Hentschel (1983)
in the collection of Christof SchΓ€fer
Hentschel (1987)
Weiß (1990)
        • Wehr
Hentschel (1983)
        • Weibern
Brauns (1922)
Vom Rath (1860)
          • Riedener Berg
Bank +1 other reference
      • Remagen
        • Rolandswerth
Dechen (1852)
    • Bernkastel-Wittlich
      • Wittlich-Land
        • Bettenfeld
Weiß (1990)
    • Mayen-Koblenz
      • Maifeld
        • Ochtendung
Weiß (1990)
Weiß (1990)
Personally collected by GΓΌnter Frenz
Lapis 1988 (7+8)
      • Mayen
Hentschel (1975)
Hentschel (1973)
        • Seekante
RΓΌdinger et al. (1993)
      • Mendig
        • Bell
Viereck
Brauns (1922)
Hentschel (1975)
        • Mendig
Hentschel (1975)
Hentschel (1975)
Rath +6 other references
Rath
          • Wingertsberg
Rath
        • Rieden
Vom Rath (1864)
Viereck
Bernotat-Wulff et al. (1988) +2 other references
      • Pellenz
        • Kruft
Hentschel (1975)
Rath
Hentschel (1975) +1 other reference
        • Nickenich
Hentschel (1975)
Hentschel (1983)
        • Plaidt
Hentschel (1983)
      • Vordereifel
Blaß et al. (2015)
        • Ettringen
Hentschel (1987)
in the collection of Christof SchΓ€fer
in the collection of Christof SchΓ€fer
        • Sankt Johann
          • Hochsimmer volcano
Weiß (1990)
    • Vulkaneifel
      • Daun
        • Dreis-BrΓΌck
          • Dreis
Frechen
Hentschel (1983)
        • Hinterweiler
Christof SchΓ€fer
        • Oberstadtfeld
Hentschel (1987)
        • Schalkenmehren
Weiß (1990)
        • Strohn
Weiß (1990) +1 other reference
        • Üdersdorf
SchΓ€fer (1979) +1 other reference
Hentschel (1989)
        • Utzerath
Weiß (1990)
      • Gerolstein
        • Gerolstein
          • Roth
Blaß et al. (2012)
        • Hillesheim
Hentschel (1993)
Wittern (2001)
Hentschel (1987)
        • Hohenfels-Essingen
Aufschluss 82 (6)
        • Oberehe-Stroheich
Weiß (1990)
        • Ormont
Hentschel (1987)
        • Rockeskyll
          • Rockeskyll volcanic complex
Haardt
Hentschel (1987)
Hentschel (1987)
        • Steffeln
Wittern (2001)
        • Walsdorf
Hohn et al. (2015) +1 other reference
      • Kelberg
        • Drees
SchΓΌller
        • Reimerath
Meyer (1983) +1 other reference
    • Westerwaldkreis
      • Wallmerod
        • Hundsangen
Andreas Gerstenberg collection
Lippolt +3 other references
  • Saxony
    • Erzgebirgskreis
      • BΓ€renstein
        • Niederschlag
Lapis (4)
      • Oberwiesenthal
        • Hammerunterwiesenthal
LAPIS 31 (3)
  • Thuringia
    • Greiz District
      • Kauern
T. Witzke & F. RΓΌger: Lapis 1998 (7/8)
      • Weida
54. +2 other references
    • Hildburghausen District
      • Heldburg
Lippolt (1982) +3 other references
Lippolt (1982) +3 other references
Greece
 
  • Central Macedonia
    • Kilkis
      • Kilkis
www.researchgate.net (n.d.) +5 other references
    • Pella
      • Almopia
Rui Nunes collection
  • Eastern Macedonia and Thrace
    • Evros
Mr. Triantafyllos Soldatos.
  • North Aegean
    • Chios
      • Chios
Kanellopoulos et al. (2024)
  • South Aegean
    • Thira
      • Santorini Island
Sotiropoulou et al. (2010)
Guinea
 
  • Conakry Region
a magmatic marker of the evolution of the Central and Equatorial Atlantic. The Canadian Mineralogist (2) +1 other reference
Honduras
 
  • Santa BΓ‘rbara Department
...
Hungary
 
  • Baranya County
Harangi et al. (1993) +9 other references
    • PΓ©cs District
      • HosszΓΊhetΓ©ny
www.geomania.hu
www.geomania.hu
  • Borsod-AbaΓΊj-ZemplΓ©n County
    • SΓ‘rospatak District
Koch: Minerals of Hungary
    • Tokaj District
      • ErdΕ‘bΓ©nye
Society of Economic Geologists Student Chapter University of Miskolc (2018)
    • ZemplΓ©n Mts (Tokaj Mts)
KohΓΊt et al. (2019)
  • FejΓ©r County
    • Bicskei District
SzabΓ³ et al. (1993) +1 other reference
    • GΓ‘rdony District
      • Nadap
    • SΓ‘rszentmiklΓ³s
SzakΓ‘ll: 100 Hungarian Mineral Locality
  • Heves County
    • GyΓΆngyΓΆs District
      • MΓ‘traszentimre
SzakΓ‘ll et al. (1996)
  • NΓ³grΓ‘d County
    • NagylΓ³c
SzakΓ‘ll et al. (1996)
  • Pest County
    • Szentendre District
      • DunabogdΓ‘ny
Topographia Mineralogica Hungariae VI.
    • Szob District
      • MΓ‘rianosztra
SzakΓ‘ll & JΓ‘nosi. Minerals of Hungary
      • NagybΓΆrzsΓΆny
SzakΓ‘ll et al. (1996)
  • VeszprΓ©m County
    • Tapolca District
      • ZalahalΓ‘p
KΓ³nya et al. (2011)
India
 
  • Andhra Pradesh
    • Anantapur District
Gupta et al. (1986, September) +2 other references
AJIT KUMAR REDDY (1987) +1 other reference
  • Assam
    • East Karbi Anglong District
S. Nag et al. (1999)
Kumar et al. (1989) +1 other reference
  • Meghalaya
    • East Garo Hills District
KUMAR et al. (1984)
  • Odisha
    • Nuapada lamproite field
Rao et al. (2015)
  • Rajasthan
    • Jodhpur Division
      • Barmer District
Bhushan +6 other references
  • Telangana
    • Nalgonda District
Kaur et al. (2017)
Sridhar et al. (2005)
  • West Bengal
    • Paschim Medinipur District
Kent et al. (1998)
Indian Ocean
 
MaciΔ…g et al. (2019)
Indonesia
 
  • Central Java Province
    • Jepara Regency
Leterrier et al. (1990) +3 other references
  • East Java Province
    • Banyuwangi Regency
EDWARDS et al. (1994)
  • East Nusa Tenggara Province
Brouwer (1940) +2 other references
  • Papua Province
    • Waropen Regency
Zglinicki +3 other references
  • South Sulawesi Province
Van Leeuwen (1981) +1 other reference
  • West Nusa Tenggara Province
Foden et al. (1980) +2 other references
    • Sumbawa Island
      • West Sumbawa Regency
Foden et al. (1980) +2 other references
Iran
 
  • Chaharmahal and Bakhtiari Province
    • Kiar County
Amidi et al. (1985)
  • East Azerbaijan Province
    • Ahar County
Alberti et al. (Iran) +9 other references
    • Marand County
Le Maitre (2002) +1 other reference
    • Osku County
Stocklin et al. (1973) +4 other references
    • Varzaqan county
Kamali et al. (2018)
  • Razavi Khorasan Province
    • Torbat-e Jam County
Saadat et al. (2012)
  • Yazd Province
    • Ardakan County
Torabi (2009)
    • Bafq County
Sepidbar et al. (2021)
Italy
 
  • Apulia
    • Foggia Province
      • Lesina
Russo (2008)
  • Basilicata
    • Potenza Province
      • Rionero in Vulture
Stoppa +14 other references
  • Campania
    • Caserta
Ghiara et al. (1976) +31 other references
        • Conca della Campania
Ghiara et al. (1973)
Luhr et al. (1987)
        • Sessa Aurunca
Della Ventura et al. (2001)
    • Naples
      • Bacoli
Punzo et al. (1998) +1 other reference
Gillot +13 other references
Bortolozzi (n.d.)
Pichler et al. (1970)
Mazzi et al. (1983) +1 other reference
      • Naples
vom Rath (1866)
vom Rath (1866)
De Stefani (1905) +22 other references
      • Pozzuoli
Manasse (1902 a) +1 other reference
vom Rath (1866)
Pichler et al. (1970)
D’Antonio et al. (1994) +5 other references
Punzo et al. (1996) +1 other reference
Punzo et al. (1996) +1 other reference
Hamilton (1776) +29 other references
Zambonini (1911)
          • Ercolano
Dunin Borkowski (1816) +1 other reference
Imma Punzo find & collection
Russo et al. (2004)
Orlandi et al. (1989)
Russo et al. (2004) +3 other references
          • Pollena Trocchia
Carati M.
          • Sant'Anastasia
Imma Punzo find & collection
          • Somma Vesuviana
Punzo et al. (1996) +1 other reference
Russo et al. (2004)
        • Mount Vesuvius
          • Torre del Greco
Carati (1981) +2 other references
Scacchi (1882) +4 other references
Del Caldo et al. (1973)
Balassone et al. (2013)
    • Salerno
      • Nocera Inferiore
Del Caldo et al. (1973) +1 other reference
in the collection of Alessandro ...
  • Lazio
    • Frosinone Province
      • Ceccano
Angelucci A. et al. (1974)
Angelucci A. et al. (1974)
Mattias P.P. (1969) +2 other references
    • Latina Province
      • Ponza
        • Ponza Island
E. Passaglia et al.
H.E. Belkin et al. (silicte/saline/sulfur-rich/CO2)
Metrich et al. (1988) +2 other references
    • Metropolitan City of Rome Capital
Federico et al. (2002)
Gianfagna et al. (1988)
      • Albano Laziale
Caponera et al. (2003)
      • Allumiere
Napoleoni et al. (2021) +1 other reference
Della Ventura G. et al. (Tolfa volcanic center, Latium, Italy)
Napoleoni et al. (2021)
Negretti (1962) +1 other reference
      • Anguillara Sabazia
Parodi et al. (1994)
De Michele (1974)
      • Bracciano
        • Castel Giuliano
Dario Di Domenico collection
Franceschini et al. (1989)
      • Campagnano di Roma
Eur. J. Mineral. +1 other reference
Liotti L. (1983)
Stoppani et al. (1982)
      • Castel Gandolfo
Caprilli (2000)
      • Cerveteri
        • Sasso di Furbara (Sasso)
Barrese et al. (1994)
      • Magliano Romano
Stoppani et al. (1982)
Bellatreccia et al. (2006)
      • Marino
Burli et al. (1988)
Martinelli (1904) +2 other references
Della Ventura et al. (1993) +1 other reference
M.E. Ciriotti collection (EDS probed) +2 other references
Stoppani et al. (1982)
Stoppani et al. (1982)
      • Tolfa
        • Santa Severa Nord
Lombardi (1964) +2 other references
Pinarelli (1987) +1 other reference
Cundari (1979) +9 other references
    • Viterbo Province
      • Bagnoregio
        • Ponzano
C. Biagioni
Min Rec (1996)
      • Bolsena
in the collection of Christof SchΓ€fer
forum.amiminerals.it (n.d.)
Della Ventura et al. (1999) +1 other reference
Bortolozzi (n.d.)
      • Cellere
Burli et al. (2010)
Puxeddu (1971)
Di Domenico Dario
forum.amiminerals.it (n.d.)
Stoppani et al. (1982)
Gianfranco Ciccolini Collection
Signoretti et al. (2001)
Di Domenico Dario
Di Battistini et al. (2001)
      • Onano
Cresta et al. (2002)
      • Soriano nel Cimino
Stoppani et al. (1982)
      • Valentano
Burli et al. (2010)
Burli et al. (2007)
Parodi et al. (1989)
www.gminromano.it (n.d.) +4 other references
Signoretti et al. (2004) +1 other reference
American Mineralogist +1 other reference
Laurenzi +38 other references
      • Viterbo
van Bergen (1980)
Bill Henderson specimens
Stoppani F.S (1982)
Peccerillo (2005)
  • Molise
    • Isernia Province
Quercigh (1915)
  • Piedmont
    • Metropolitan City of Turin
      • Prali
Ciriotti et al. (2011)
  • Sardinia
    • Oristano Province
      • Marrubiu
Dillen (2022)
    • Sassari Province
Bortolozzi (n.d.)
Bortolozzi (n.d.)
Bortolozzi (n.d.)
    • South Sardinia Province
AraΓ±a et al. (1974) +1 other reference
  • Sicily
    • Agrigento Province
      • Pelagie Islands (Pelagian Islands)
Calcara P. (1851) +1 other reference
    • Hyblean Plateau (Hyblean Mountains; Hyblaean Plateau; Hyblaean Mountains)
Barberi et al. (1974) +1 other reference
    • Metropolitan City of Catania
      • Biancavilla
Sicurella et al. (2010)
      • Etna Volcanic Complex
Gaetano Sicurella collection
    • Metropolitan City of Messina
      • Eolie Islands (Aeolian Islands)
        • Lipari
Barberi et al. (1974) +6 other references
Piochi et al. (2009) +1 other reference
Lucchi et al. (2008)
    • Trapani Province
Villari L. (1970)
  • Sicily Channel (Sicilian Channel; Strait of Sicily)
Beccaluva et al. (1981) +1 other reference
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Predazzo
Exel (1987)
  • Tuscany
    • Grosseto Province
      • Castel del Piano
Del Caldo et al. (1973)
      • Pitigliano
Liotti L. (Grosseto)
Capaccioni B. et al. (Latera Volcanic Complex, Vulsini District, Italy)
Nasti et al. (2006) +1 other reference
      • Roccastrada
        • Roccatederighi
www.socgeol.info (n.d.)
    • Livorno Province
Barsotti et al. (2006)
      • Portoferraio
De Michele (1974)
Orlandi P. and Pezzotta F. (1996)
MINERALOGICAL MAGAZINE
    • Pisa Province
      • Lajatico
        • Orciatico
S. Conticelli
      • Montecatini Val di Cecina
S. Conticelli
  • Umbria
    • Perugia Province
      • Spoleto
Stoppa F.
    • Terni Province
      • Orvieto
Stoppa et al. (1995)
Stoppa +13 other references
      • San Venanzo
Sabatini (1899) +7 other references
  • Veneto
    • Padova Province
      • Cinto Euganeo
        • Faedo
          • Monte Fasolo
Fabris et al. (2014) +1 other reference
      • Galzignano Terme
CΓ‘mara et al. (2012) +1 other reference
Squinabol (1902) +1 other reference
        • Luvigliano
Orlandi (1997) +2 other references
Fabris et al. (2014)
      • Vo'
Fabris et al. (2014)
    • Vicenza Province
      • Rotzo
Zaccaria et al. (2021)
      • San Pietro Mussolino
Zorzi et al. (eds.)
Boscardin et al. (2000) +2 other references
Japan
 
  • Gifu Prefecture
    • Gifu City
Analyses by Dr Hideki Masago and Dr ...
    • Kakamigahara City (Kagamigahara City)
Analyses by Dr Hideki Masago and Dr ...
  • Kagoshima Prefecture
    • Kirishima City
      • Hayato
Hiromi Yamasaki collection
  • Osaka Prefecture
    • Sennan District
Arai et al. (2018)
  • Shimane Prefecture
    • Ochi District
Recommendations of the International ... +2 other references
  • Wakayama Prefecture
    • Higashimuro district
- (1932 analysis in DHZ)
Jordan
 
  • Aqaba Governorate
Jarrar et al. (1992) +1 other reference
Kenya
 
Hackmann +3 other references
  • Baringo County
Webb +2 other references
  • Homa Bay County
Le Bas (1977)
  • Kajiado County
Baker +2 other references
    • Mount Suswa (Suswa Volcano)
Forti et al. (2004)
  • Marsabit County
Rix (1973) +4 other references
Baker (1963) +6 other references
Ministry of Energy and Regional ... +4 other references
  • Meru County
Baker (1967)
Williams (1966) +6 other references
  • Nairobi County
Saggerson (1991)
  • Nakuru County
Davies et al. (1987) +4 other references
  • Narok County
Williams (1991)
  • Turkana County
Key (1987)
Key (1987)
Smith (1938) +3 other references
Smith (1938) +1 other reference
Kiribati
 
Natland et al. (1976) +1 other reference
Kosovo
 
  • Gjilan District
    • Viti
Altherr et al. (2004) +2 other references
Lesotho
 
  • Butha-Buthe District
Mathias et al. (1970)
Mathias et al. (1970)
Libya
 
  • Jabal al Gharbi District
Piccoli (1970) +6 other references
Lustrino et al. (2012)
  • Kufra District
CIGOLINI1 et al. (2012)
  • Wadi al Shatii District
BUSREWIL et al. (1991)
Madagascar
 
Mahoney et al. (2008)
  • Anosy
    • Amboasary Sud District
      • Ebelo
Mahoney et al. (2008) +1 other reference
    • Betroka District
M. Arligiue collection & photo
      • Mahasoa Est
Knut Edvard Larsen (2023)
Behier (1963)
www.mindat.org (n.d.) +1 other reference
  • Diana
    • Ambanja
      • Antsirabe
Rakotovao Soatsitohaina et al. (2009)
Lacroix (1922) +5 other references
  • Sofia
    • Befandriana Nord District
      • Amparihy Complex
Lacroix (1923) +2 other references
  • Vakinankaratra
    • Antsirabe I District
Lacroix (1922)
    • Antsirabe II District
      • Ambano Commune
Behier (1963)
Malawi
 
  • Southern Region
    • Phalombe
Garson
Garson +2 other references
Mexico
 
  • Chihuahua
    • Aquiles SerdΓ‘n Municipality
      • Santa Eulalia Mining District
        • East Camp
Megaw
    • Saucillo Municipality
Jesse Fisher (optical analysis) +1 other reference
  • Coahuila
    • Acuna Municipality
Levinson (1962)
  • Durango
    • Coneto de Comonfort Municipality
      • AmΓ©rica-Sapioris District (Potrillos)
        • AmΓ©rica (La AmΓ©rica)
Panczner (1987)
      • Coneto de Comonfort
  • Guanajuato
    • Santa Catarina Municipality
      • Santa Catarina
        • Cerro de las Fajas
Am Min (1955)
  • Jalisco
    • Colima volcanic complex
Alok Krishna Gupta (2015)
  • Michoacan
    • Contepec Municipality
      • Tepoxtepec (?Tepuxtepec)
Foshag et al. (1942)
  • San Luis PotosΓ­
    • Rioverde Municipality
Planer-Friedrich (2000)
  • Zacatecas
    • Villa GarcΓ­a Municipality
      • El Copetillo
Christiansen
Mongolia
 
  • Arkhangai Province
    • Hangai highland
      • Tariat Volcanic Province
Pavel.M. Kartashov (n.d.)
  • Γ–mnΓΆgovi Province
    • Mandal-Ovoo District
Recommendations of the International ... +2 other references
  • TΓΆv Province
    • Choir-Nyalga basin
Peretyazhko et al. (2018)
Morocco
 
  • DrΓ’a-Tafilalet Region
    • Tinghir Province
      • Boulmane-DadΓ¨s Cercle
De Sitter et al. (1952) +1 other reference
Woolley (2001) +1 other reference
  • Oriental Region
    • Taourirt Province
JÉRÉMINE (1955) +1 other reference
  • Rabat-SalΓ©-KΓ©nitra Region
    • KhΓ©misset Province
      • OulmΓ¨s Cercle
Gentil +4 other references
Mozambique
 
  • Cabo Delgado Province
    • Montepuez District
      • Xixano
Oberti et al. (2010)
  • Maputo Province
    • Boane District
TORRE DE ASSUNCAO et al. (1962)
Myanmar
 
  • Mandalay Region
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Mogok Valley
Themelis (2008)
Themelis (2008) +1 other reference
        • Pein-Pyit (Painpyit; Pyan Pyit)
Themelis (2008)
Namibia
 
  • Khomas Region
    • Windhoek Rural
      • Aris
... +3 other references
Gevers (1933) +3 other references
Koller F et al. (2014)
  • Kunene Region
    • Opuwo Rural
Miller et al. (Henno Martin Commerative Volume)
  • ǁKaras Region
    • ΗƒNamiΗ‚NΓ»s Constituency
Jackson +6 other references
Koller F et al. (2014)
New Zealand
 
  • Auckland Region
    • Whangaparaoa
Martin et al. (NZ)
  • Bay of Plenty Region
Osborne Hutton (1956)
Collection of Rod Martin
    • Rotorua District
      • Okataina
Ewart et al. (1967)
  • Canterbury Region
    • Christchurch City
      • Banks Peninsula
        • Lyttelton
Speight (1907)
Marshal (1893)
Essence of Microscope
    • Kaikoura District
Suggate et al. (1978) +2 other references
Hay et al. (1970) +4 other references
  • Otago Region
    • Dunedin City
      • East Otago Volcanic Province
Turner et al. (1960) +7 other references
      • Otago Peninsula
        • Portobello
Graham et al. (2018)
  • Waikato Region
    • Taupo District
      • Atiamuri
Chernet
      • Lake Taupo
Chernet
      • Poihipi Road
Collection of RJ Martin
Collection of RJ Martin
    • Thames-Coromandel District
      • Hikuai
        • Puketui Road mordenite locality
Moore (1979)
Nicaragua
 
  • Chinandega Department
dan weinrich
Niger
 
  • Agadez
Black +3 other references
Nigeria
 
  • Bauchi
    • Ningi
      • Kalato
Sakoma et al. (2002)
North Korea
 
  • Kangwon Province
    • Pyonggang County
Kim et al. (2023)
  • North Hamgyong Province
    • Kyonghung County
Sadanaga & Bunno (1973)
University of Tokyo collection +1 other reference
  • Ryanggang Province
    • Samjiyon City
Abstracts of the Eighth International Conference on Geochronology and Isotope Geology (1994)
North Macedonia
 
  • Bogdanci Municipality
Stojanov
  • Delčevo Municipality
FΓ€rber (n.d.)
  • Demir Kapija Municipality
Terzić +5 other references
  • Kavadarci Municipality
    • BojančiΕ‘te
Temovski (2016)
    • RΕΎanovo
      • Allchar
Boev et al. (2015)
  • Kumanovo Municipality
Tomič +4 other references
  • Sveti Nikole Municipality
Terzić +5 other references
Tomič +1 other reference
  • Veles Municipality
Prelević et al. (2008) +1 other reference
Northwest Africa Meteorites
 
www.sciencemag.org (2013)
Norway
 
Scharizer (1884)
Oman
 
  • Muscat Governorate
Al-Harthy et al. (1991) +1 other reference
Papua New Guinea
 
  • Milne Bay Province
Smith (1972)
  • New Ireland Province
    • Tabar Group
Johnson et al. (1976) +2 other references
Paraguay
 
  • Amambay Department
Haggerty et al. (1983) +1 other reference
Haggerty et al. (1983)
  • GuairΓ‘ Department
Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)
Presser et al. (2014)
Peru
 
  • Ayacucho
portergeo.com.au (2022)
  • Puno
    • Carabaya Province
Li (2016)
Poland
 
  • Lower Silesian Voivodeship
    • DzierΕΌoniΓ³w County
      • Gmina Niemcza
Lis et al. (1986)
    • KΕ‚odzko County
      • Gmina LΔ…dek-ZdrΓ³j
Lis et al. (1986)
      • Gmina Stronie ŚlΔ…skie
WierzchoΕ‚owski (Middle Sudetes)
    • LwΓ³wek ŚlΔ…ski County
      • Gmina WleΕ„
Lis et al. (1986)
    • WaΕ‚brzych County
      • Gmina GΕ‚uszyca
        • GrzmiΔ…ca
Lis et al. (1986)
  • Opole Voivodeship
    • Opole County
      • Gmina Niemodlin
        • Gracze
W. Szeliga
  • Podlaskie Voivodeship
Grabarczyk et al. (2022)
  • Silesian Voivodeship
    • Bytom
      • Bobrek
Ł. Kruszewski EPMA/PXRD data +3 other references
Portugal
 
  • Azores
    • Faial
      • Horta
Zanon et al. (2013)
    • Pico
Weston (1964) +4 other references
    • SΓ£o Miguel
Osann +1 other reference
- (n.d.)
      • Ribeira Grande
Ternes (1999)
CΓ‘mara et al. (2017)
      • Vila Franca do Campo
        • Monte Escuro
Pedro Alves collection and analytical ...
Weston (1964) +6 other references
  • Faro
    • Monchique
      • Monchique
        • Nave
PIMENTEL et al. (2006)
  • Lisbon
    • Sintra
      • PΓͺro Pinheiro e Montelavar
        • Almargem do Bispo
Alexandre Pedroso collection
  • Madeira
    • Madeira Island
      • Funchal
        • SΓ£o Martinho
Pedro Alves collection and analytical ...
      • Machico
        • Porto da Cruz
Pedro Alves collection and analytical ...
Morais +2 other references
Romania
 
  • BraΘ™ov County
SzakΓ‘ll
SzakΓ‘ll et al. (2010)
  • TimiΘ™
    • GΔƒtaia
Seghedi I. (SW Romania)
Russia
 
  • Buryatia
    • Dzhida Basin
      • Zakamensk District
Kislov et al. (2022)
  • Chelyabinsk Oblast
Cesnokov et al. (1998)
  • Kamchatka Krai
    • Milkovsky District
      • Tolbachik Volcanic field
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Pekov et al. (2019) +2 other references
Pekov et al. (2019)
Pekov et al. (2020)
Shchipalkina et al. (2020)
Shchipalkina et al. (2020)
Pavel M. Kartashov analytical data (1984)
  • Murmansk Oblast
...
...
  • Primorsky Krai
Grebennikov (2011)
  • Republic of Karelia
Zamiatina et al. (2022)
[World of Stones 12:49]
    • Abyysky District
Trunilina et al. (2021)
    • Aldan
Chayka +9 other references
Kostin (2021)
    • Polar Yakutia
      • Cherskii range system
        • Selennyakh range
          • Tommot river
Trunilina et al. (2022)
Trunilina et al. (2022)
  • Sakhalin Oblast
    • Kuril Islands (Kurile Islands)
      • Kurilsky District
        • Iturup Island
Africano et al. (2003) +1 other reference
Saudi Arabia
 
  • Medina Region
    • Ithnayn and Kura Lava Fields
Baker et al. (1973) +1 other reference
Serbia
 
  • Central Serbia
    • Kolubara District
      • Valjevo
Cvetković et al. (2004) +1 other reference
Cvetković et al. (2004) +2 other references
    • Moravica District
      • Gornji Milanovac
Cvetkovic et al. (2000) +3 other references
Cvetković et al. (2004) +1 other reference
Pačevski et al. (2018)
    • Pčinja District
      • Bujanovac
Altherr et al. (2004) +2 other references
      • PreΕ‘evo
Cvetković et al. (2004) +1 other reference
    • Zaječar District
      • Boljevac
GliΕ‘ic +2 other references
Slovakia
 
  • BanskΓ‘ Bystrica Region
Ďuďa R. et al. (Schemnitz)
    • Lučenec District
      • Čamovce
HuraiovΓ‘ et al. (2019)
      • PincinΓ‘
M. Huraiova et al.
    • Ε½arnovica District
      • NovΓ‘ Baňa
        • Brehy
KodΔ›ra (1986)
KodΔ›ra (1986)
    • Ε½iar nad Hronom District
      • HlinΓ­k nad Hronom
KodΔ›ra (1986)
      • Kremnica
Ďuďa (1993)
KodΔ›ra (1986)
  • PreΕ‘ov Region
    • Vranov nad TopΔΎou District
      • Vechec
Ďuďa
South Africa
 
  • Free State
    • Lejweleputswa District Municipality
      • Tokologo Local Municipality
        • Boshof
Smyth (1977)
  • North West
    • Bojanala Platinum District Municipality
      • Kgetlengrivier Local Municipality
        • Swartruggens
Field et al. (2008)
Spain
 
  • Andalusia
    • AlmerΓ­a
      • Cuevas del Almanzora
Calvo (2018)
Calvo (2018)
      • Vera
essai de synthese. Bulletin de la SociΓ©tΓ© gΓ©ologique de France (3) +9 other references
    • Granada
      • Colomera
Takeda et al. (2003)
  • Canary Islands
    • Las Palmas Province
Coello et al. (92) +9 other references
Barrera J.L. et al. (1981)
J. Mangas & F. J. PΓ©rez Torrado et al. (1997)
J. Mangas & F. J. PΓ©rez Torrado et al. (1997)
      • Gran Canaria
        • Arucas
Hernandez-Pacheco et al. (1969)
Hernandez-Pacheco et al. (1969)
      • Lanzarote
        • HarΓ­a
Strasser et al. (2006)
    • Santa Cruz de Tenerife Province
Mitchell-ThomΓ© (1976) +4 other references
      • Tenerife
        • Santa Cruz de Tenerife
Analyzed by XRD by Dr. Joan Vinals (Barcelona)
  • Castile-La Mancha
    • Albacete
      • HellΓ­n
Venturelli et al. (1984) +5 other references
Linthout et al. (1993)
E. Salvioli-mariani et al.
  • Catalonia
    • Girona
      • BescanΓ³
Joan Rosell (2021)
      • Garrotxa
        • Santa Pau
Guiomar Calvo Sevillano (2008)
      • Olot
Guiomar Calvo Sevillano (2008)
  • Murcia
    • Calasparra
Nobel +5 other references
    • Cartagena
Fernandez et al. (1972) +2 other references
      • La Aljorra
Pellicer (1973) +2 other references
Calvo Sevillano et al. (2009)
      • Tallante
        • Cabezo Negro de Tallante
S. Capedri et al. : "Upper-mantle ...
    • Fortuna
essai de synthese. Bulletin de la SociΓ©tΓ© gΓ©ologique de France (3) +5 other references
essai de synthese. Bulletin de la SociΓ©tΓ© gΓ©ologique de France (3) +6 other references
    • Jumilla
Nobel +11 other references
E. Salvioli-mariani et al.
    • Moratalla
Nobel +3 other references
    • Mula
Fuster et al. (1967) +2 other references
    • Murcia
FΓΊster et al. (prov. de Murcia) +4 other references
  • Valencian Community
    • CastellΓ³n
      • Columbretes Islands
Aparicio et al. (western Mediterranean) +2 other references
Sri Lanka
 
  • Sabaragamuwa Province
    • Ratnapura District
      • Ratnapura
Ceylon Aluvial Mine (Book, Co. 2002)
Sweden
 
  • Dalarna County
  • JΓΆnkΓΆping County
    • JΓΆnkΓΆping
      • GrΓ€nna
Thulin (1996)
  • Γ–stergΓΆtland County
    • Γ–deshΓΆg
Thulin (1996)
Switzerland
 
  • Schaffhausen
    • Bargen
Stalder et al. (1998)
  • Ticino
    • Lugano
      • Riva San Vitale
Stalder et al. (1998)
Syria
 
  • As-Suwayda Governorate
Recommendations of the International ... +8 other references
Taiwan
 
  • Hualien County
    • Shoufeng Township
Zhengzhang Tao (1992)
Tanzania
 
  • Arusha region
    • Ngorongoro District
Mattsson et al. (2010)
Zaitsev A.N. et al. (2010) +2 other references
Thailand
 
  • Kanchanaburi Province
    • Bo Phloi District
Part II +2 other references
Srithai (2005, November)
Turkey
 
  • Afyon Province
Keller et al. (1972) +6 other references
  • Amasya Province
    • Amasya City
Eyuboglu et al. (2011) +1 other reference
  • Ankara Province
    • Beypazari District
Helvaci (1998)
  • Balikesir Province
    • BigadiΓ§ District
Gultekin et al. (2016)
  • Bayburt Province
    • Bayburt
Altherr et al. (2008) +3 other references
  • Burdur Province
    • Bucak District
Lefevre et al. (1983) +4 other references
  • Eskişehir Province
    • Beylikova District
Beylikahir-Eskişehir et al. (2-3) +2 other references
    • Seyitgazi District
      • Kirka
Cahit et al. (2000)
    • Sivrihisar District
Sarıfakıoğlu et al. (2009)
  • Isparta Province
    • GΓΆlcΓΌk District
Lefevre et al. (1983) +7 other references
  • Izmir Province
    • Urla District
Innocenti et al. (1972)
  • KΓΌtahya Province
    • Emet District
      • Emet Borate deposit
Cahit et al. (2000)
  • Trabzon Province
Arslan et al. (1997) +3 other references
Uganda
 
  • Western Region
    • Kasese
      • Katwe-Kikorongo volcanic field (Katwe volcanic field)
Stoppa et al. (2000)
UK
 
  • England
    • Cornwall
      • Falmouth
A. Hall (1982)
doi.org/10.1017/S0016756800045581 +3 other references
    • Cumbria
      • Eden
        • Shap Rural
Day (1999)
    • Devon
      • East Devon
        • Budleigh Salterton
Pers Comm +1 other reference
Miller et al. (1964) +1 other reference
  • Northern Ireland
    • Co. Antrim
      • Cushendall
Chinner et al. (1973)
  • Scotland
    • Argyll and Bute
      • Isle of Mull
B.G.J. Upton et al.
Smith (1965)
    • East Lothian
H. Downes et al. Lithos 58 2001 ...
    • Highland
      • Caol and Mallaig
...
J.Ralph visual identification 2009.
        • Isle of Muck
Tilley (1947)
    • North Ayrshire
Tyrell (1928) +1 other reference
    • Outer Hebrides
      • Isle of Lewis and Harris
        • Lewis
Livingstone et al. (2018)
    • Perth and Kinross
      • Comrie
Helmers et al. (1988)
    • Scottish Borders
      • Teviothead
Elliot et al. (eds) +15 other references
Ukraine
 
  • Kirovohrad Oblast
Gurov et al. (2015)
  • Zakarpattia Oblast
    • Khust Raion
Melnikov et al. (2006)
United States Minor Outlying Islands
 
Natland et al. (1976) +1 other reference
USA
 
  • Arizona
    • Cochise County
Anthony et al. (1995)
Enlows (1955) +1 other reference
      • Peloncillo Mountains
        • Peloncillo Mining District
Anthony et al. (1995)
      • Sulphur Springs Valley
        • Pearce Hills
          • Pearce Mining District
            • Pearce
Howell (1977)
    • Coconino County
      • San Franciscan volcanic field (San Francisco Peaks; San Francisco Mts)
        • San Francisco Mountain
Anthony et al. (1995)
www.koeln.netsurf.de/~w.steffens/usa.htm
    • Pima County
Anthony et al. (1995)
      • Sierrita Mountains
        • Papago Mining District (Sierrita Mining District)
[var: Barium-Sanidine] Bideaux et al. (1960) +1 other reference
    • Yavapai County
      • Bradshaw Mountains (Bradshaw Range)
        • Castle Creek Mining District
Granger (1962)
  • Arkansas
    • Garland County
www.handbookofmineralogy.org (2012)
        • Union Carbide Mine
Pabst (1979)
    • Hot Spring County
      • Magnet Cove
Henry Barwood - unpublished (2010)
  • California
    • Alpine County
      • Monitor - Mogul Mining District
        • Loope (Monitor; Loopeville)
          • Colorado Hill
- (2005)
    • Calaveras County
      • East Belt
        • Mokelumne Hill Mining District
          • Mokelumne Hill
- (2005)
    • Inyo County
      • Bishop Mining District (Tungsten Hills Mining District)
        • Bishop
Van Nostrand Reinholt Press: 359. +2 other references
      • Panamint Mts (Panamint Range)
        • Panamint Mining District (Ballarat Mining District)
          • Panamint (old Panamint)
Geol. Soc. of America Bulletin
    • Los Angeles County
      • Puente Hills
Van Nostrand Reinholt Press: 361. +2 other references
    • Mono County
      • Mono Craters
Van Nostrand Reinholt Press: 354 +2 other references
  • Colorado
    • Boulder County
Eckel et al. (1997)
    • Chaffee County
      • Browns Canyon Mining District
Eckel et al. (1997)
      • Nathrop
USGS Bull 1716C +1 other reference
Eckel et al. (1997)
    • Custer County
      • Rosita Mining District
Eckel et al. (1997)
Eckel et al. (1997)
    • Douglas County
      • Castle Rock Area
Eckel et al. (1997)
    • El Paso County
      • Crystal Park
Eckel et al. (1997)
Muntyan et al. (1985)
    • Gunnison County
      • Dorchester Mining District
        • Taylor Park
Eckel et al. (1997)
Eckel et al. (1997)
    • Jefferson County
      • Morrison Area
        • Morrison quadrangle
Eckel et al. (1997)
    • La Plata County
      • La Plata Mining District (California Mining District)
        • La Plata
- (2005)
    • Lake County
      • Alicante
Eckel et al. (1997)
    • Larimer County
Eckel et al. (1997)
Eckel et al. (1997)
    • Park County
Eckel et al. (1997)
    • Rio Grande County
      • Summitville Mining District (Summit Mining District)
Eckel et al. (1997)
Holmes et al. (1983)
    • Routt County
Eckel et al. (1997)
    • San Juan County
      • Animas Mining District
        • Silverton
          • Sultan Mountain
Eckel et al. (1997)
    • Summit County
Personally Collected by Dr. Scott ...
Eckel et al. (1997)
    • Teller County
Carnein et al. (2005)
  • Georgia
    • Wilkes County
Cook (1978)
  • Hawaii
    • Kauai County
      • Kauai Island
Macdonald et al. (1960) +1 other reference
  • Idaho
    • Fremont County
AmMin 61:405 (1976) +1 other reference
    • Lemhi County
      • Eureka Mining District
        • Salmon
- (2005)
  • Kansas
AmMin 71:60
  • Maine
    • Aroostook County
      • Monticello
King et al. (1994)
  • Massachusetts
    • Essex County
Gleba (2008)
  • Michigan
...
      • Lake Ellen
Heinrich et al. (2004)
    • Ontonagon County
Heinrich et al. (2004)
  • Montana
    • Cascade County
      • Highwood Mountains
[var: Barium-Sanidine]
    • Chouteau County
      • Highwood Mountains
Kuehner et al. (2003, June)
A differentiated alkaline intrusion +2 other references
    • Flathead County
      • Hog Heaven Mining District (Flathead Mining District)
        • Kofford Ridge
Ray Lasmanis +1 other reference
    • Garfield County
Velde (1975) +1 other reference
    • Hill County
www.koeln.netsurf.de/~w.steffens
        • Big Sandy Creek
Pecora et al. (1953)
Pecora
    • Judith Basin County
      • Barker Mining District
        • Hughesville
Rocks & Min.: 14: 111.
    • Lewis and Clark County
      • Seven-Up Pete Mining District
Szarkowski (2019)
    • Meagher County
Chakhmouradian et al. (2002)
    • Silver Bow County
The Mineralogy of The Butte District +1 other reference
  • Nevada
    • Churchill County
Castor et al. (2004)
    • Elko County
      • Gold Circle Mining District (Midas Mining District)
Leavitt et al. (2004)
      • Wendover Mining District
Castor et al. (2004)
    • Eureka County
      • Modarelli-Frenchie Creek Mining District
Castor et al. (2004)
    • Lander County
      • Battle Mountain Mining District
        • Copper Canyon mine
Castor et al. (2004)
      • Bullion Mining District
Mankins (2022)
Fries
- (2005)
- (2005) +1 other reference
NBMG Bull 80 Geology and Mineral ... +1 other reference
    • Lincoln County
      • Eagle Valley Mining District
- (2005)
      • Quinn Canyon Range
        • Eagle Valley Mining District
- (2005)
    • Nye County
      • Kawich Range
Castor et al. (2004)
      • Nevada volcanic field
Castor et al. (2004)
MacDonald et al. (2019)
Noble et al. (1968)
    • Pershing County
      • Antelope Mining District
Jensen (1993)
    • Washoe County
Castor et al. (2004) +1 other reference
Castor et al. (2004)
    • White Pine County
      • Robinson Mining District
        • Ely
Castor et al. (2004)
  • New Jersey
    • Hunterdon County
      • Delaware Township
        • Brookville
Amer. Jour. of Sci.:262:1119-1123 (Nov 64)
  • New Mexico
    • Bernalillo County
Northrop et al. (1996)
    • Catron County
      • Taylor Creek Mining District
        • Sawmill Creek
NMGS 37th Field Conference
NMGS 37th Field Conference
      • Wilcox Mining District
        • Haystack Mtn. area
NMGS 37th Field Conference
    • Cibola County
Northrop et al. (1996)
Northrop et al. (1996)
    • Colfax County
Northrop et al. (1996)
    • DoΓ±a Ana County
Northrop et al. (1996)
- (2005)
    • Grant County
Northrop et al. (1996)
RattΓ© (2008)
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996) +1 other reference
    • Hidalgo County
      • Pyramid Mountains
Northrop et al. (1996)
    • Lincoln County
Tommy B. Thompson (1973)
Northrop et al. (1996)
    • Luna County
Northrop et al. (1996)
    • McKinley County
Northrop et al. (1996)
      • Todilto Park
Northrop et al. (1996)
Minerals of Colorado (1997)
    • Otero County
      • Orogrande Mining District (Jarilla Mining District)
        • Orogrande
XRD data from the New Mexico Bureau of ...
    • Rio Arriba County
Northrop et al. (1996)
    • San Juan County
Northrop et al. (1996)
      • Shiprock
New Mexico GeologicalSociety Guidebook
    • Sandoval County
Northrop et al. (1996)
Northrop et al. (1996)
    • Santa Fe County
Northrop et al. (1996)
      • Old Placers District
Maynard (2014)
    • Sierra County
Jerry Cone Collection
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996)
Gibbs (2013)
      • Paramount Canyon
Mineralogical Record: 20 (1)
Northrop et al. (1996)
    • Socorro County
Northrop et al. (1996)
Northrop et al. (1996)
Gibbs (1989)
Min Rec 20:1 pp13-24 +1 other reference
Northrop et al. (1996)
Northrop et al. (1996)
    • Taos County
      • No Agua Mining District
Ramon DeMark and Jessie Kline
  • New York
    • St. Lawrence County
      • Star Lake
        • Benson
Robinson et al. (2007) +1 other reference
    • Halifax County
Philip M. Brown
Geology of the Fall Zone Region along ...
Stoddard et al. (1992)
  • Oregon
    • Douglas County
Micro Probe Volume X Number 2
Eckel et al. (1997)
  • South Dakota
    • Lawrence County
Roberts et al. (1965)
      • Galena Mining District
        • Galena
Willard Lincoln Roberts
Roberts et al. (1965)
  • Texas
    • Brewster County
Smith (1991)
    • Jeff Davis County
      • Fort Davis
        • Limpia Canyon
Norman King
    • Llano County
      • Kingsland Granite Company Quarry (Petrick Quarry)
Collected by Franklin Roberts
    • Presidio County
Smith (1991)
  • Utah
    • Beaver County
      • San Francisco Mountains
        • Preuss Mining District (Newhouse Mining District)
Bullock (1981)
Bullock (1981)
    • Juab County
      • Sevier Bridge Reservoir Area
- (2005)
      • Thomas Range
Collected by Joe Marty
        • Pismire Knolls
Microprobe 7:9 pp 12-14
Min Rec 10:5 pp261-278
Patrick Lahr
        • Spor Mountain Mining District
Bullock (1981)
Collected by and in the collection of ...
Collected by and in the collection of ...
Bullock (1981)
Am.Min.: 45: 39-52
J. Holfert et al. (1996)
    • Millard County
Dana 6:1092.
Dana 6: 1092.
    • Piute County
      • Marysvale Mining District
Ron Layton
    • Summit County
      • Woodland
Best et al. (1968)
    • Tooele County
      • Ophir Mining District
        • Ophir
Bullock (1981)
Bullock (1981)
  • Washington
    • Okanogan County
      • Wauconda Mining District
Derkey et al. (1990, November)
Derkey et al. (1990, November) +1 other reference
    • Skamania County
Zach Capel
    • Stevens County
      • Deer Trail Mining District
R. Derkey +1 other reference
  • Wisconsin
    • Lafayette County
      • Upper Mississippi Valley Mining District
        • New Diggings area mines
Marvin et al. (1988)
    • Marathon County
Falster (1981) +1 other reference
Falster (1987)
        • Nine Mile Pluton
Thomas Buchholz
  • Wyoming
    • Crook County
      • Bear Lodge alkaline igneous complex
Hutchinson et al. (2022)
    • Goshen County
Izett et al. (1968)
    • Sweetwater County
Kuehner et al. (1981)
Kemp et al. (1903)
Mitchell R.H. and Bergman S.C. (1991)
Kemp et al. (1903)
Mitchell R.H. & Bergman S.C. (1991)
Mitchell (1990)
GSA Bull (1903)
GSA Bull (1903)
Mitchell (1990)
    • Teton County
      • Moran
Iddings et al. (1892)
Uzbekistan
 
  • Namangan Region
Volkov (1999)
  • Navoiy
    • Bukantau Mountains
Golovko et al. (2010)
Vanuatu
 
  • Tanna Island
Coulon et al. (New Hebrides)
Vietnam
 
  • Đắk NΓ΄ng Province
Izokh +6 other references
Yemen
 
  • Dhamar Governorate
Ali M. Al-Hawbani and Abubakr F. Maky (2018)
  • Saada Governorate
Grolier et al. (1978) +1 other reference
Mars
 
  • Aeolis quadrangle
    • Gale Crater
      • Aeolis Mons (Mount Sharp)
        • Lower Mt. Sharp
Chipera et al. (2023)
      • Aeolis Palus
Several papers on: Science Express
 
Mineral and/or Locality  
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