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Manganberzeliite

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About ManganberzeliiteHide

Jöns Jakob Berzelius
Formula:
NaCa2Mn2+2(AsO4)3
Colour:
Yellow-orange, yellowish red; colorless to orange in transmitted light.
Lustre:
Sub-Vitreous, Resinous, Greasy
Hardness:
4½ - 5
Specific Gravity:
4.28 - 4.46
Crystal System:
Isometric
Name:
Named in 1894 by Lars Johan Igelstrom for Jöns Jakob Berzelius, Swedish chemist [August 20, 1779 Linköping, Sweden - August 7, 1848 Stockholm, Sweden] and the prefix MANGAN-, in allusion to its being the manganese dominant member of the series with berzeliite. Berzelius is the father of analytical chemistry, inventor of chemical symbol notation. and discoverer of cerium, selenium, silicon, thorium, titanium, and zirconium, in addition to other elements that he gave to his students to work on.
Berzeliite-Manganberzeliite Series. The manganese analogue of Berzeliite. Structurally related to Palenzonaite and to the Garnet Group of silicates.

Chemically very similar to caryinite.


Classification of ManganberzeliiteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.AC.25

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.2.1.2
38.2.1.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
2 : (AB)5(XO4)3
20.8.18

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn

Physical Properties of ManganberzeliiteHide

Sub-Vitreous, Resinous, Greasy
Transparency:
Transparent, Translucent
Colour:
Yellow-orange, yellowish red; colorless to orange in transmitted light.
Comment:
Depth of red tint increases with increase in the Mn content.
Streak:
White to orange
Hardness:
4½ - 5 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
4.28 - 4.46 g/cm3 (Measured)    4.38 g/cm3 (Calculated)
Comment:
Measured values are for the middle of the series with berzeliite to the Mn end member.

Optical Data of ManganberzeliiteHide

Type:
Isotropic
RI values:
n = 1.770 - 1.781
Birefringence:
Exhibits weak anomalous birefringence at times.
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High
Pleochroism:
Non-pleochroic

Chemical Properties of ManganberzeliiteHide

Formula:
NaCa2Mn2+2(AsO4)3
IMA Formula:
(NaCa2)Mn2+2(AsO4)3

Crystallography of ManganberzeliiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Ia3d
Setting:
Ia3d
Cell Parameters:
a = 12.52 Å
Unit Cell V:
1,962.52 ų (Calculated from Unit Cell)
Morphology:
Crystals very rare, as trapezohedrons with small modifying faces. Commonly massive or as rounded grains.
Comment:
Nagashima & Armbruster (2012) give, for two crystals from different occurrences: 12.4829(1) and 12.4929(2) Å.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.10 (40)
3.34 (30)
3.13 (50)
2.80 (100)
2.67 (40)
2.56 (90)
1.736 (40)
1.673 (80)
Comments:
ICDD 20-1089 (synthetic)

Type Occurrence of ManganberzeliiteHide

Geological Setting of Type Material:
Metamorphosed Mn deposit.
Associated Minerals at Type Locality:

Synonyms of ManganberzeliiteHide

Other Language Names for ManganberzeliiteHide

Varieties of ManganberzeliiteHide

PyrrhoarseniteAn Sb-bearing variety of manganberzeliite (or berzeliite).
The valency of Sb is uncertain(?).
SilicomanganberzeliiteA silicate-bearing manganberzeliite.

Relationship of Manganberzeliite to other SpeciesHide

Other Members of this group:
Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
SchäferiteCa2NaMg2(VO4)3Iso.
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Magnetoplumbite3 photos of Manganberzeliite associated with Magnetoplumbite on mindat.org.
Caryinite3 photos of Manganberzeliite associated with Caryinite on mindat.org.
Berzeliite3 photos of Manganberzeliite associated with Berzeliite on mindat.org.
Rhodonite2 photos of Manganberzeliite associated with Rhodonite on mindat.org.
Birnessite2 photos of Manganberzeliite associated with Birnessite on mindat.org.
Tyrolite1 photo of Manganberzeliite associated with Tyrolite on mindat.org.
Lead1 photo of Manganberzeliite associated with Lead on mindat.org.
Hausmannite1 photo of Manganberzeliite associated with Hausmannite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.AC.WopmayiteCa6Na3□Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon.
8.AC.10Arseniopleite(Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3Mon. 2/m : P2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3Mon.
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10FerrohagendorfiteNaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10YazganiteNaFe3+2(Mg,Mn2+)(AsO4)3 · H2OMon. 2/m : B2/b
8.AC.10GroatiteNaCaMn2(PO4)(HPO4)2Mon. 2/m : B2/b
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon.
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3Mon. 2/m : P21/m
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25SchäferiteCa2NaMg2(VO4)3Iso.
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m (3 2/m) : P3m1
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45TuiteCa3(PO4)2Trig. 3m (3 2/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.50Chladniite{Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36Trig.
8.AC.50Galileiite{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36Trig. 3 : R3
8.AC.50Stornesite-(Y){(Y, Ca)}{Na62}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.55HarrisoniteCa(Fe2+,Mg)6(PO4)2(SiO4)2Trig.
8.AC.60KosnariteKZr2(PO4)3Trig. 3m (3 2/m) : R3c
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80Tillmannsite(Ag3Hg)(VO4,AsO4)Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

38.2.1.1Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
38.2.1.3Palenzonaite(Ca,Na)3CaMn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.8.1SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
20.8.2EveiteMn2+2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
20.8.3ArsenoclasiteMn2+5(AsO4)2(OH)4Orth.
20.8.4FlinkiteMn2+2Mn3+(AsO4)(OH)4Orth.
20.8.5JarosewichiteMn2+3Mn3+(AsO4)(OH)6Orth. 2 2 2
20.8.6AllactiteMn2+7(AsO4)2(OH)8Mon. 2/m : P21/b
20.8.7KrautiteMn(HAsO4) · H2OMon. 2 : P21
20.8.8SynadelphiteMn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
20.8.9SterlinghilliteMn3(AsO4)2 · 4H2OTric. 1 : P1
20.8.10GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric.
20.8.11Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2OMon. 2/m : P21/b
20.8.12Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
20.8.13FluckiteCaMn2+(HAsO4)2 · 2H2OTric. 1 : P1
20.8.14BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2OMon. 2/m : P21/b
20.8.15ParabrandtiteCa2Mn2+(AsO4)2 · 2H2OTric.
20.8.16WallkilldelliteCa2Mn2+3(AsO4)2(OH)4 · 9H2OHex.
20.8.17Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m (4/m 3 2/m) : Ia3d
20.8.19Magnesiochlorophoenicite(Mg,Mn)3Zn2(AsO4)(OH,O)6Mon. 2/m : B2/m
20.8.20VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
20.8.21Hematolite(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23Trig. 3 : R3
20.8.22GrischuniteNaCa2Mn2+5Fe3+(AsO4)6 · 2H2OOrth.

Fluorescence of ManganberzeliiteHide

Not fluorescent.

Other InformationHide

Notes:
Readily soluble in HNO3 or HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ManganberzeliiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Igelström (1886) Bulletin de la Société française de Minéralogie: 9: 218 (as Pyrrho-arsenite).
Högbom (1887) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 9: 397.
Igelström (1893) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 15: 471 (as Chlorarsenian ?).
Igelström (1894) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 23: 592 (as Manganberzeliit).
Mauzelius analysis in: Sjögren (1895) Bull. Geol. Inst. Upsala: 2: 92.
Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 1: 191.
Doelter, C. (1914) Handbuch der Mineral-chemie (in 4 volumes divided into parts): 3 [1]: 635, 639.
Hintze, Carl (1922) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [4A]: 214.
Landergren (1930) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 52: 123.
Bubeck, W. and Machatschki, F. (1935): The crystal structure of berzeliite. Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 90: 44-50.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 681-683.
Blix, R. and Wickman, F. E. (1960): The mineral berzeliite. Arkiv Mineral. Geol. 2, 417-424.
American Mineralogist (1963) 48: 663.
Ito, J. (1968): Synthesis of the berzeliite (Ca2NaMg2As3O12)-manganese berzeliite (Ca2NaMn2As3O12) series (arsenate garnet). American Mineralogist: 53: 316-319.
Hawthorne, F. C. (1976). Refinement of the crystal structure of berzeliite. Acta Cryst., B32, 1581-1583.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 65.
Zeitschrift für Kristallographie: 90: 44-50 (berzeliite).
Kolitsch, U. (2002). Unpublished data. [crystal structure refinement of manganberzeliite; later included in Nagashima & Armbruster (2012)]
Nagashima, M., Armbruster, T. (2012): Palenzonaite, berzeliite, and manganberzeliite:(As5+,V5+,Si4+)O4 tetrahedra in garnet structures. Mineralogical Magazine 76, 1081-1097.

Internet Links for ManganberzeliiteHide

Localities for ManganberzeliiteHide

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. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Tyrol
    • North Tyrol
      • Sill valley (Wipp valley)
        • Matrei am Brenner
Kolitsch, U., Schachinger, T., Auer, C. (2017): 2023) Arseniosiderit(?), Baryt, Brandtit, Manganberzeliit, Rhodochrosit, Sarkinit und Todorokit vom Mislkopf (Mieslkopf) bei Matrei am Brenner, Nordtirol. Pp. 236-238 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
        • Navis valley
          • Navis
BRANDSTÄTTER, F., GRILL, J., NIEDERMAYR, G. & WALTER, F. (2015): 1927) Bementit, Bixbyit, Kutnohorit, Manganberzeliit, Tilasit, Tiragalloit, Todorokit und andere Mineralien von Navis, Tirol. Pp. 232-234 in NIEDERMAYR, G. et al. (2015): Neue Mineralfunde aus Österreich LIX. Carinthia II, 205./125., 207-280.
Italy
 
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Redazionale (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia del Ferrania Club, 19 , 3-5.
          • Reppia
Bracco, R. & Ciriotti, M.E. (2003): Todorokite e Manganberzeliite dalla Liguria. Micro (UK report), 2003, 3-6
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Malenco Valley
          • Lanterna Valley
            • Lanzada
Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
  • Piedmont
    • Cuneo Province
      • Corsaglia Valley
        • Montaldo di Mondovì
          • Borgata Oberti
Cámara, F., Biagioni, C., Ciriotti, M.E., Bosi, F., Kolitsch, U., Paar, W.H., Blass, G., Bittarello, E. (2017b) Piccoliite, a new mineral of the pilawite group. Congresso SIMP-SGI-SOGEI-AIV 2017, Pisa, 3-6 settembre 2017, Abstract book, page 120; http://www.socgeol.it/files/download/abstract%20book/abstract_book_pisa_2017_doi.pdf
      • Maira Valley
        • Canosio
          • Vallone della Valletta
Cámara, F., Ciriotti, M.E., Bittarello, E., Nestola, F., Massimi, F., Radica, F., Costa, E., Benna, P., Piccoli, G.C. (2014) Arsenic-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: I. Grandaite, Sr2Al(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 78, 757-774; Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Marchesini, M. (2015) Arsenic-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: II. Braccoite, NaMn2+5[Si5AsO17(OH)](OH), description and crystal structure. Mineralogical Magazine, 79, 171-189; Kampf, A.R., Cámara, F., Ciriotti, M.E., Nash, B.P., Balestra, C., Chiappino, L. (2016): Castellaroite, Mn2+3(AsO4)2⋅4.5H2O, a new mineral from Italy related to metaswitzerite. European Journal of Mineralogy, 28, 687-696; Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017a) As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81, 305–317.
Japan
 
  • Honshu Island
    • Tohoku Region
      • Fukushima Prefecture
        • Iwaki City
Matsubara, S. (1975): Manganberzeliite from Gozaisho mine, Fukushima Prefecture, Japan. Kobutsugaku Zasshi 12, 238-52. (in Japanese); Matsubara, S., Miyawaki, R., Kato, A., Matsuyama, F., Mouri, T. and Suzuki, Y. (2001): Arseniopleite from the Gozaisho mine, Fukushima Prefecture, Japan. Bull. Natn. Sci. Mus., Tokyo, Ser. C, 27, 51-62; Matsubara, S., Kato, A., Shimizu, M., Sekiuchi, K., and Suzuki, M. (1996) Romeite from the Gozaisho mine, Iwaki, Japan. Mineralogical Journal 18, 155-160.
Kazakhstan
 
  • Karaganda
    • Zhanaarka District (Zhana-Arkinskii)
      • Atasu
Kayupova, M. M. (1963): Mineralogy of the Dzhumart iron-manganese deposit. Izvestiya Akademii Nauk Kazakhskoi SSR, Seriya Geologicheskaya, 1963 (6), 57-80.
Namibia
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Portugal
 
  • Aveiro District
    • Albergaria-a-Velha
      • Branca
Marques de Sá, J. & Leal Gomes, C. (2010): Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, Portugal. Le Règne Minéral, 92, 36-47.
Sweden (TL)
 
  • Värmland
    • Filipstad
American Mineralogist, 53, pp. 316 (1968); Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
      • Nordmark district
        • Jakobsberg ore field
GFF 123, 29
  • Västmanland
    • Hällefors
      • Grythyttan
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 683.
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 266.
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
Roth, P. & Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler 47 (3), 8-21 (in German and French).
Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 230.; Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel, 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
      • Rheinwald
        • Splügen
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 266.; Roth, P. & Meisser, N. (2011): I minerali dell'Alpe Tanatz. Passo dello Spluga (Grigioni, Svizzera). Rivista Mineralogica Italiana, 2/2011, 90-99
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Franklin
Frondel, C. & Ito, J.: American Mineralogist (1963): 48: 663-664; Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part 5: 673.
Venezuela
 
  • Miranda
Onac, B. P., & Forti, P. (2011). State of the art and challenges in cave minerals studies. Studia UBB, Geologia, 56(1), 33-42.
Franco Urbani (2009) Venezuelan Cave Minerals: Second Review. Mineralogy 1 2009 ICS Proceedings. In 15th International Congress of Speleology. p 345
Mineral and/or Locality  
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