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Margarite

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Formula:
CaAl2(Al2Si2O10)(OH)2
System:
Monoclinic
Hardness:
4
Member of:
Name:
Named in 1823 by Johann Nepomuk von Fuchs. The earlier name (1820), by Friedrich Mohs, for this mineral was "pearl-mica", because of its luster.
Mica Group.

Hintze (Vol. 2, 1897) gives Sterzing (Vipiteno), South Tyrol as the TL of margarite and refers to Mohs (1820). In fact, Mohs described the mineral but did not provide an analysis. Therefore, according to von Zepharovich (1873), Greiner Mt. has to be regarded as the TL, based on the data provided by Senger.


Classification of Margarite

Approved, 'Grandfathered' (first described prior to 1959)
9.EC.30

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.2.2c.1

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
16.9.13

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca

Physical Properties of Margarite

Hardness (Mohs):
4

Optical Data of Margarite

Type:
Biaxial (-)
RI values:
nα = 1.595 - 1.638 nβ = 1.625 - 1.648 nγ = 1.627 - 1.650
2V:
Measured: 26° to 67°, Calculated: 28° to 46°
Max Birefringence:
δ = 0.032
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v

Chemical Properties of Margarite

Formula:
CaAl2(Al2Si2O10)(OH)2
IMA Formula:
CaAl2(Si2Al2)O10(OH)2
Elements listed in formula:
Common Impurities:
Na,Mg,Cr,Li,Mn,Fe,K,Ba,Sr,H2O

Crystallography of Margarite

Crystal System:
Monoclinic
Cell Parameters:
a = 5.11 Å, b = 8.79 Å, c = 19.15 Å
β = 95.15°
Ratio:
a:b:c = 0.581 : 1 : 2.179
Unit Cell Volume:
V 856.69 ų (Calculated from Unit Cell)

Type Occurrence of Margarite

Relationship of Margarite to other Species

Member of:
Other Members of Group:
AluminoceladoniteK(Mg,Fe2+)Al(Si4O10)(OH)2
Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2
AnniteKFe32+(AlSi3O10)(OH)2
AspidoliteNaMg3(AlSi3O10)(OH)2
BalestraiteKLi2V5+Si4O12
BiotiteA series or subgroup of the Mica Group.
BityiteLiCaAl2(AlBeSi2O10)(OH)2
BoromuscoviteKAl2(BSi3O10)(OH)2
Brammallite(Na,H3O)(Al,Mg,Fe)2((Si,Al)4O10)(OH)2
CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
ChromceladoniteK(Mg,Fe2+)(Cr,Al)(Si4O10)(OH)2
ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2
ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
EastoniteKMg2Al(Al2Si2O10)(OH)2
EphesiteLiNaAl2(Al2Si2O10)(OH)2
FerroaluminoceladoniteK(Fe2+,Mg)(Al,Fe3+)(Si4O10)(OH)2
FerroceladoniteK(Fe2+,Mg)(Fe3+,Al)(Si4O10)(OH)2
Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2
FluoranniteKFe32+(AlSi3O10)(F,OH)2
FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2
GarmiteCsLiMg2(Si4O10)F2
Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
HendricksiteK(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2
IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
LepidoliteA Li-rich mica in, or close to, the so-called Polylithionite-Trilithionite series.
LuanshiweiiteKLiAl1.50.5(Si3.5Al0.5)O10(OH,F)2
ManganiceladoniteKMgMn3+Si4O10(OH)2
Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4
MuscoviteKAl2(AlSi3O10)(OH)2
NanpingiteCsAl2(AlSi3O10)(OH,F)2
Natro-glauconite(Na,K)(Fe3+,Al,Mg)2((Si,Al)4O10)(OH)2
NorrishiteKLiMn23+(Si4O10)O2
Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2
OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2
ParagoniteNaAl2(AlSi3O10)(OH)2
PhengiteKAl2(AlSi3O10)(OH)2
PhlogopiteKMg3(AlSi3O10)(OH)2
PolylithioniteKLi2Al(Si4O10)(F,OH)2
PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
ShirokshiniteKNaMg2(Si4O10)F2
ShirozuliteK(Mn2+,Mg)3(AlSi3O10)(OH)2
SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
SokolovaiteCsLi2Al(Si4O10)F2
Suhailite(NH4)Fe32+(AlSi3O10)(OH)2
TainioliteKLiMg2(Si4O10)F2
TetraferrianniteKFe32+((Fe3+,Al)Si3O10)(OH)2
TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Tobelite(NH4,K)Al2(AlSi3O10)(OH)2
TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
UM1988-22-SiO:AlCaFFeHKLiMgKLiMgAl2Si3O10F2
VoloshiniteRb(LiAl1.51.5)(Al0.5Si3.5)O10F2
Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
YangzhumingiteKMg2.5(Si4O10)F2
ZinnwalditeKLiFe2+Al(AlSi3O10)(F,OH)2
9.EC.05MinnesotaiteFe32+Si4O10(OH)2
9.EC.05TalcMg3Si4O10(OH)2
9.EC.05WillemseiteNi3Si4O10(OH)2
9.EC.10FerripyrophylliteFe3+Si2O5(OH)
9.EC.10PyrophylliteAl2Si4O10(OH)2
9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2
9.EC.15CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2
9.EC.15Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
9.EC.15Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2
9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2
9.EC.15ParagoniteNaAl2(AlSi3O10)(OH)2
9.EC.15RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
9.EC.15Tobelite(NH4,K)Al2(AlSi3O10)(OH)2
9.EC.15AluminoceladoniteK(Mg,Fe2+)Al(Si4O10)(OH)2
9.EC.15ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2
9.EC.15FerroaluminoceladoniteK(Fe2+,Mg)(Al,Fe3+)(Si4O10)(OH)2
9.EC.15FerroceladoniteK(Fe2+,Mg)(Fe3+,Al)(Si4O10)(OH)2
9.EC.15ChromceladoniteK(Mg,Fe2+)(Cr,Al)(Si4O10)(OH)2
9.EC.15TainioliteKLiMg2(Si4O10)F2
9.EC.15Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2
9.EC.20AnniteKFe32+(AlSi3O10)(OH)2
9.EC.20EphesiteLiNaAl2(Al2Si2O10)(OH)2
9.EC.20HendricksiteK(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2
9.EC.20Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
9.EC.20NorrishiteKLiMn23+(Si4O10)O2
9.EC.20PhlogopiteKMg3(AlSi3O10)(OH)2
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2
9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2
9.EC.20SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
9.EC.20TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
9.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2
9.EC.20Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4
9.EC.20EastoniteKMg2Al(Al2Si2O10)(OH)2
9.EC.20TetraferrianniteKFe32+((Fe3+,Al)Si3O10)(OH)2
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2
9.EC.20FluoranniteKFe32+(AlSi3O10)(F,OH)2
9.EC.20ShirokshiniteKNaMg2(Si4O10)F2
9.EC.20ShirozuliteK(Mn2+,Mg)3(AlSi3O10)(OH)2
9.EC.20SokolovaiteCsLi2Al(Si4O10)F2
9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2
9.EC.20FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
9.EC.20UM2004-49-SiO:AlCsFHKLi(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20Suhailite(NH4)Fe32+(AlSi3O10)(OH)2
9.EC.20YangzhumingiteKMg2.5(Si4O10)F2
9.EC.20OrloviteKLi2Ti(Si4O10)OF
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2
9.EC.25Brammallite(Na,H3O)(Al,Mg,Fe)2((Si,Al)4O10)(OH)2
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2
9.EC.35BityiteLiCaAl2(AlBeSi2O10)(OH)2
9.EC.35ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2
9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2
9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2
9.EC.35Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2
9.EC.35FluorokinoshitaliteBaMg3(Al2Si2O10)F2
9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V25+Si5O35 · 27H2O (?)
9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O
9.EC.45HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
9.EC.45SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
9.EC.45SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
9.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)
9.EC.45Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2
9.EC.45SwineforditeLi(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4 · nH2O
9.EC.45ZincsiliteZn3(Si4O10)(OH)2 · 4H2O
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O
9.EC.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8
9.EC.55Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8
9.EC.55Cookeite(Al2Li)Al2(AlSi3O10)(OH)8
9.EC.55FranklinfurnaceiteCa2Fe3+Mn32+Mn3+(Zn2Si2O10)(OH)8
9.EC.55Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
9.EC.55Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8
9.EC.55Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55PennantiteMn52+Al(AlSi3O10)(OH)8
9.EC.55SudoiteMg2Al3(Si3Al)O10)(OH)8
9.EC.55DonbassiteAl4.33(AlSi3O10)(OH)8
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8
9.EC.55BorocookeiteLi1+3xAl4-x(BSi3O10)(OH)8
9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O
9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
9.EC.60DozyiteMg7Al2(Al2Si4O15)(OH)12
9.EC.60HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)
9.EC.60KulkeiteMg8Al(AlSi7O20)(OH)10
9.EC.60LunijianlaiteLi0.7Al6.2(AlSi7O20)(OH,O)10
9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O
9.EC.60Saliotite(Li,Na)Al3(AlSi3O10)(OH)5
9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
9.EC.60BrinrobertsiteNa0.3Al4(Si4O10)2(OH)4 · 3.5 H2O
9.EC.65Macaulayite(Fe,Al)24Si4O43(OH)2
9.EC.70BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6
9.EC.75Ferrisurite(Pb,Ca)2.4Fe23+(Si4O10)(CO3)1.7(OH)3 · nH2O
9.EC.75Surite(Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O
9.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8
16.9.1GehleniteCa2Al(AlSiO7)
16.9.2AnorthiteCa(Al2Si2O8)
16.9.3Yoshiokaite(Ca,Na)[Al(Al,Si)O4]
16.9.4SvyatoslaviteCa(Al2Si2O8)
16.9.5DmisteinbergiteCa(Al2Si2O8)
16.9.6GrossularCa3Al2(SiO4)3
16.9.7VuagnatiteCaAl(SiO4)(OH)
16.9.8Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
16.9.10PrehniteCa2Al2Si3O10(OH)2
16.9.11KamaishiliteCa2(Al2SiO6)(OH)2
16.9.12BicchuliteCa2(Al2SiO6)(OH)2
16.9.14ChantaliteCaAl2(SiO4)(OH)4
16.9.15CebolliteCa5Al2(SiO4)3(OH)4
16.9.17KatoiteCa3Al2(SiO4)3-x(OH)4x
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2O
16.9.19ParthéiteCa2(Si4Al4) O15 (OH)2•4H2O
16.9.20WairakiteCa(Al2Si4O12) · 2H2O
16.9.21VertumniteCa4Al4Si4O6(OH)24 · 3H2O
16.9.22ScoleciteCaAl2Si3O10 · 3H2O
16.9.23LaumontiteCaAl2Si4O12 · 4H2O
16.9.24YugawaraliteCaAl2Si6O16 · 4H2O
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2O
16.9.26EpistilbiteCaAl2Si6O16 · 5H2O
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2O
16.9.28CowlesiteCaAl2Si3O10 · 6H2O
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2O
16.9.31SträtlingiteCa2Al2SiO7 · 8H2O
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)

Other Names for Margarite

Name in Other Languages:

Other Information

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

Margarite in petrology

An essential component of (items highlighted in red)

References for Margarite

Reference List:
Senger, W. (1821) "Oryctographie der Gefürsteten Grafschaft Tirols", Wagner (Innsbruck), 1821, pp. 32-33.

Canadian Mineralogist (1998) 36: 905-912.

Internet Links for Margarite

mindat.org URL:
https://www.mindat.org/min-2573.html
Please feel free to link to this page.
Specimens:
The following Margarite specimens are currently listed for sale on minfind.com.

Localities for Margarite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Afghanistan
 
  • Kabol Province (Kabul Province)
    • Surobi District (Sorobi District)
Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Northern Broken Hill Block
Econ Geol (1993) 88:505-541
  • Queensland
    • Mount Isa City Shire
Museum Victoria Mineralogy Collection
  • South Australia
    • Olary Province
Carr, P.F., 2003. Chiastolite – andalusite or pseudomorphs after andalusite? Australian Journal of Mineralogy, 9, 91-96.
  • Tasmania
    • Circular Head municipality
      • Balfour-Temma district
R Bottrill, Unpub data
  • Western Australia
    • Cue Shire
      • Poona
Emeralds of the World English extraLapis Vol. 2 2002 pp24-35
Austria
 
  • Carinthia
    • Friesach - Hüttenberg area
      • Hüttenberg
        • Hüttenberger Erzberg
          • Knappenberg
I. Praetzel: Der Karinthin 93:293-301 (1985)
        • Lölling
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Lower Austria
    • Waldviertel
      • Drosendorf-Zissersdorf
DOPPLER, Gerald (2010): Petrogenesis and Geochemistry of selected Corundum (Ruby) Deposits.- Unveröff. Masterarb. Naturwiss. Fak. Karl-Franzens-Univ. Graz, 140 S., Wien.
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Salzburg
    • Hohe Tauern
      • Fusch valley
        • Ferleiten
A. Strasser: Die Minerale Salzburgs (1989)
      • Habach Valley
        • Nasenkopf
          • Leckbachgraben (Leckbachrinne)
A. Strasser: Die Minerale Salzburgs (1989)
E. Y. Kievlenko (2003) Geology of Gems, 84
  • Styria
    • Weiz
      • Stubenberg am See
Bernhard, F. & Schachinger, T. (2006)
  • Tyrol
    • North Tyrol
      • Zillertal
        • Zemmgrund
W. Senger: "Oryctographie der Gefürsteten Grafschaft Tirols", Wagner (Innsbruck), 1821, pp. 32-33
Brazil
 
  • Bahia
    • Campo Formoso ultramafic complex
      • Pindobaçu
Emeralds of the World English extraLapis Vol. 2 2002 pp24-35
  • Minas Gerais
    • Paracatu
Oliver, N.H.S., Thomson, B., Freitas-Silva, F.H., and 8 others, 2015, Local and regional mass transfer during thrusting, veining, and boudinage in the genesis of the giant shale-hosted Paracatu gold deposit, Minas Gerais, Brazil: Economic Geology, v. 110, p. 1803-1834.
Bulgaria
 
  • Kyustendil Oblast
E.Ya. Kievlenko, Geology of gems, 2003, p. 85
American Mineralogist, Volume 94, pages 1283–1286, 2009
Canada
 
  • Québec
    • Estrie
      • Les Sources RCM
        • Asbestos
Normand (2001) Experimental and field investigation of serpentinization and rodingitization. unpublished Ph.D. thesis McGill University, Montreal, Quebec. HORVÁTH, L., PFENNINGER-HORVÁTH, E. and SPERTINI, F. (2013) The Jeffrey mine, Asbestos, Québec, Canada: A mineralogical review. Mineralogical Record, 44, 375-417.
China
 
  • Henan Province
    • Nanyang Prefecture
      • Wancheng District
Jianhong Zhang, Zhaohui Li, and Xuefang Wang (1989): Acta Petrologica et Mineralogica 8(1)
    • Xinyang Prefecture
      • Xin Co.
Ruyuan Zhang and Liou, J.G. (1994): European Journal of Mineralogy 6(2), 217-233.
  • Hunan Province
    • Chenzhou Prefecture
      • Yizhang Co.
        • Dongpo ore field
Jingwen Mao, Hongyan Li, Hidehiko Shimazaki, Raimbault, L., and Guy, B. (1996): International Geology Review 38(11), 1020-1039
  • Jiangsu Province
    • Lianyungang Prefecture
      • Donghai Co.
        • Zhimafang
Zhang, R.Y., Liou, J.G., and Zheng, J.P. (2004): Contributions to Mineralogy and Petrology 147, 21-31.
  • Shandong Province
    • Jiaodong Peninsula (Jiaodong Gold Province)
      • Qingdao Prefecture
        • Jiaonan Co.
Hongrui Fan, Jinghui Guo, Fangfang Hu, Xuelei Chu, and Chengwei Jin (2005): Acta Petrologica Sinica 21(4), 1125-1132
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • South Bohemia Region
      • Strakonice
Litochleb, J. et al.: Korund ze skapolitem bohaté vápenatosilikátové horniny v moldanubických mramorech u Krtů na Strakonicku. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 169-172.
  • Moravia (Mähren; Maehren)
    • Moravia-Silesia Region
      • Vrbno pod Pradědem
Kruťa, T.: O nerostech, nerostných surovinách a předních nalezištích ve Slezsku. Přírodovědecký sborník (Sborník Přírodovědecké společnosti v Ostravě), 1949, roč. 10, s. 281-69.
    • Vysočina Region
      • Třebíč
Houzar, S.: Pokojovice u Třebíče – klasická lokalita korundu na Moravě. Minerál, 2005, roč. 13, č. 1, s. 23-25.
Finland
 
  • Lapland Region
    • Enontekiö
Sipilä, Pekka 1992. The Caledonian Halt-Ridnitsohkka igneous complex in Lapland. Geological Survey of Finland Bulletin 362, 75 p. 23 app. pages
  • Southern Finland Region
    • Luumäki
      • Kännätsalo
Bergverksmuseets Skrift 33, 87-107
  • Western and Inner Finland Region
    • Orivesi
      • Eräjärvi area
Lahti, Seppo 1988. Occurrence and mineralogy of the margarite- and muscovite-bearing pseudomorphs after topaz in the Juurakko pegmatite, Orivesi, southern Finland. The Geological Society of Finland, Volume 60 (1–2)
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Lavoûte-Chilhac
        • Saint-Cirgues
F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
  • Bourgogne-Franche-Comté
    • Doubs
      • Ornans
G. Kurat, F. Brandstätter, H. Palme, M. Christophe Michel-Lévy (1981). Rusty Ornans. Meteoritics 16, p. 343-344.
  • Occitanie
    • Ariège
      • Cauflens
        • Seix
          • Salau
C. Derré, M. Fonteilles, L.Y. Nansot : "Le Gisement de Scheelite de Salau, Ariège - Pyrénées", Publications du 26è Congrès Géologique International, Paris, 7-17 July, 1980
  • Pays de la Loire
    • Loire-Atlantique
      • Saint-Philbert-de-Grand-Lieu
INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004
Germany
 
  • Saxony
    • Erzgebirge
Lapis 30(7/8):78-80 (2005)
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
Markl, G. & Scharlau, A. (2008): Große Saphire, Margarit und Tremolit aus den Smirgelgruben auf Naxos, Griechenland. Lapis 33 (12), 26-28; 33-35; 58 (in German).
    • Sámos Prefecture
      • Sámos Island
http://www.gfz-potsdam.de/pb4/pg1/people/feenstraabstracts/feen-abs4.html
        • Kerketeas Mt (Kerkis Mt)
European Journal of Mineralogy; December 1998; v. 10; no. 6; p. 1361-1366
Greenland
 
  • Sermersooq
    • Sermiligaarsuk Fjord
Katerinopoulou, A.,Balic-Zunic, T. Kolb, J. & Berger, A. (2012): Mineralogy of hydrothermal alteration zones of the Nuuluk gold prospect, Tartoq gold province,Sermiligaarsuk Fjord, South-West Greenland. Abstract P 37, 30th Nordic Geological Winter Meeting, Reykjavík, Iceland 9–12 January 2012.
India
 
  • West Bengal
    • Purulia District
Baidya, Tapan Kumar, Sen, Gautam, and Chakravorty, Priya Shankar, 1981, Uranium Occurrences in and Around Nawahatu, Purulia District, West Bengal, India - A Preliminay Report, Economic Geology, v 76, p. 970-973.
Italy
 
  • Calabria
    • Reggio Calabria Province
      • Aspromonte Massif
        • San Giorgio Morgeto
Carlino, P. (1972): L'andalusite di S. Giorgio Morgeto (Reggio Calabria). Rendiconti della Società Italiana di Mineralogia e Petrografia, 28(2), 413-421.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Antigorio Valley
          • Devero Valley
            • Baceno
              • Devero Alp
        • Vigezzo Valley
          • Druogno
            • Orcesco
Mattioli V. (1987) - Novità mineralogiche in Val d'Ossola - Rivista Mineralogica Italiana, Milano, fasc. 1, pp.1-11
          • Trontano
            • Pizzo Marcio
Appiani, R., Cini, V., Gentile, P., Mattioli, V., Preite, D., Vignola, P. (1995): Val Vigezzo - I minerali delle albititi. Ed. Linea Due S.r.l., Marnate (Varese), 90 pp.; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
Appiani, R., Cini, V., Gentile, P., Mattioli, V., Preite, D., Vignola, P. (1995): Val Vigezzo - I minerali delle albititi. Ed. Linea Due S.r.l., Marnate (Varese), 90 pp.
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Bolzano Province (South Tyrol)
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
      • Vizze Valley (Pfitsch valley)
Gartner, Ar., Gartner An. (2002): Burgum im schönen Pfitschtal. Tipografia Novaprint Cavalese, 126 pp.
Japan
 
  • Hokkaido
    • Shiribeshi Province
Nagata, J. (1982)
  • Kyushu Region
    • Oita prefecture
      • Saiki City
Masutomi Museum specimens
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Kalba Range
Kovalev, K.R., Kalinin, Y.A., Naumov, E.A., Pirajno, F., and Borisenko, A.S. (2009): Ore Geology Reviews 35, 186-205.
Mexico
 
  • Chihuahua
    • Pueblito de Allende
Brearley, A. J. & Jones, R. H. (1998). Chondritic Meteorites. In: Planetary Materials (Papike, J. J., Editor): Chapter 3, 398 pages. Mineralogical Society of America: Washington, DC, USA. (1998)
Myanmar
 
  • Mandalay Region (Mandalay Division)
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Kyauk-Pyat-That
Kyaw Thu (2007) The Igneous Rocks of the Mogok Stone Tract: Their Distributions, Petrography, Petrochemistry, Sequence, Geochronology and Economic Geology. PhD Thesis University of Yangon, Myanmar
Namibia
 
  • Khomas Region
    • Windhoek District
      • Okamuwa Farm 144 (Okamuvia Farm 144)
Bürg, G. , Die Nutzbaren Minerallagerstätten von Deutsch-Südwestafrika (1942), p.74-80
Nepal
 
  • Bagmati Zone
    • Dhading District
      • Ganesh Himal (Ganesha)
Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
New Zealand
 
  • South Island
    • Nelson
Challis, G. A., Grapes, R., & Palmer, K. (1995). Chromian muscovite, uvarovite, and zincian chromite; products of regional metasomatism in Northwest Nelson, New Zealand. The Canadian Mineralogist, 33(6), 1263-1284.
    • West Coast (Westland)
GRAPES, R., & PALMER, K. (1996). (Ruby—Sapphire)—Chromian Mica—Tourmaline Rocks from Westland, New Zealand. Journal of Petrology, 37(2), 293-315.
Norway
 
  • Finnmark
    • Hasvik
      • Sørøya
Michalsen, A. (2010): Minerallokaliteter på Sørøya, Vest-Finnmark- den grønne øya i nord. Norsk Bergverksmuseum Skrift.43, 41-52
  • Møre og Romsdal
    • Norddal
      • Tafjord
Brueckner, H.K. (1977): A structural, stratigraphic and petrologic study of anorthosites, eclogites and ultramafic rocks and their country rocks, Tafjord area, western South Norway. Norges Geologiske Undersøkelse. 332, 1-53
  • Sogn og Fjordane
Vik Vanrusselt Collection, see http://www.mindat.org/forum.php?read,11,243654,243654#msg-243654
    • Selje
Garmo, T. T. (2013): Observasjonar frå det norske "Eklogitt-landet". Stein. 40 (4), 4-13
      • Liset
Smith, D.C. & Kechid, S-A. (1983): Three rare Al-& Na-rich micas in the Liset eclogite pod, Norway: Fe-Mg-margarite, preiswerkite & Na-eastonite. Terra Cognita, 3, 191.
      • Nordpollen
Eskola, P.(1921): On the eclogites of Norway. Videnskapsselskapets Skrifter. I. Mat.-Naturv. Klasse 1921,8. 130pp. (p.68)
  • Troms
    • Tromsø
Selbekk, R. S., Kullerud, K. & Ravna, E. (2008): Formation of corundum megacrysts, related to K-rich fluids infiltration during inconngruent melting of plagioclase in SiO2-undersaturated rocks at high T. Norsk Bergverksmuseum Skrift. 38: 29-32
Pakistan
 
  • Gilgit-Baltistan (Northern Areas)
    • Gilgit District
Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
Republic of Macedonia
 
  • Prilep
    • Sivec Mountain
Jersek, Miha and Mirtic, Breda (1999) Croundum from prilep Dolomitic marble, Scopolia [Journal of the Slovenian Museum of natural History], v. 41 (September), p 1-22.
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Narin-Kunta
P.M. Kartashov data
    • Sakha Republic (Saha Republic; Yakutia)
[World of Stones 12:49]
  • Far-Eastern Region
    • Primorskiy Kray
      • Kavalerovo Mining District
        • Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche)
Min Rec vol 32, pp 7-30 (2001)
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Ekaterinburg (Sverdlovsk)
          • Malyshevo
            • Izumrudnye Kopi area
              • Malyshevskoe deposit (Mariinskoe)
Avdonin V.N., Polenov Yu.A. (2004) Essays on Uralian minerals, - UGGA press, p. 419 (in Rus.).
Slovakia
 
  • Banská Bystrica Region
Ďuďa R.,Kotuľak P., Káňa R., 1993: Bergbau und Mineralien von Banská Štiavnica (Schemnitz), Slowakei. Emser Hefte, 14, 3, 1-70, Haltern
  • Košice Region
    • Gelnica Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
South Africa
 
  • Free State Province
    • Witwatersrand field
Econ Geol (1994) 89:909-918.
  • Limpopo Province
    • Bushveld Complex
      • Waterberg District
Minerals of South Africa
    • Mopani District
      • Mica
Minerals of South Africa
    • Murchison Range
      • Gravelotte
Minerals of South Africa
  • Mpumalanga Province
    • Ehlanzeni District
Minerals of South Africa
Spain
 
  • Andalusia
    • Granada
      • Otívar
J.M. Azanon and B. Goffé, Eur. J. Mineral., 1997, 9, pp. 1035-1051.
      • Salobreña unit
B. Goffé et al. , Eur. J. Mineral. , 1996, 8, pp. 335-348.
Sweden
 
  • Uppland
    • Österåker
Nysten, P. (1996): Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
  • Värmland
    • Eda
      • Ulverud
Grensman, Fredrik (1991): Ulverud. En korundförande anortosit i Sydvästsverige 22 km V Arvika,Värmland. STEIN 18(2),8
Switzerland
 
  • Wallis (Valais)
    • Brig
      • Simplon pass area
        • Ganter valley
          • Wasen Alp
Graeser S., Hetherington C.J., Gieré R. (2003): Ganterite, a new barium-dominant analogue of muscovite from the Berisal Complex, Simplon Region, Switzerland. Canadian Mineralogist 41, 1271-1280.
    • Turtmann Valley
Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp.
    • Zermatt - Saas Fee area
      • Matt Valley
Am Min 88:5-6 pp 789-805
Tajikistan
 
  • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    • Pamir Mts
      • Murghab (Murgab)
        • Rangkul
Elena S. Sorokina, Andrey K. Litvinenko, Wolfgang Hofmeister, Tobias Häger, Dorrit E. Jacob, and Zamoniddin Z. Nasriddinov (2015): Rubies and sapphires from Snezhnoe, Tajikistan. Gems & Gemology 51, 160-175.
Turkey
 
  • Aegean Region
    • Denizli Province
      • Serinhisar District
        • Yatağan
http://e-collection.library.ethz.ch/eserv/eth:21496/eth-21496-02.pdf
    • Muğla Province
      • Milâs
Erik Vercammen collection
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
      • Alushta
Alexander I. Tischenko (1996). Minerals of the Crimea. - World of stones, 1996, #9, p.9-18.
USA
 
  • Alabama
    • Tallapoosa Co.
Rocks & Min 70:5 pp 320-333
  • California
    • Calaveras Co.
      • Mother Lode Belt
        • Angels Camp District
          • Angels Camp
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
    • El Dorado Co.
      • Mother Lode Belt
        • East Segment Mother Lode
          • Georgetown District
            • Georgetown
AmMin 64:728
              • Rock Canyon
Guidott, C.V., Post, J.L., and Cheney, J.T. (1979) Margarite pseudomorphs after chiastolite in the Georgetown area, California. American Mineralogist: 64: 728-732; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
    • Plumas Co.
      • Edmanton District (Meadow Valley District)
        • Meadow Valley
Pratt, Joseph Hyde (1906), Corundum and its occurrence and distribution in the United States: USGS Bulletin 269: 42; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.; Andrew Lawson Univ. California, Dep. Geol. Bull. 3 (1903)219-229
    • Riverside Co.
      • Crestmore
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255.
    • San Mateo Co.
Murgoci, G.M. (1906), Contribution to the classification of the amphiboles; on some glaucophane schists, syenites, etc.: University of California, Department of Geological Sciences Bulletin: 4: 391; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
    • Santa Clara Co.
      • Oak Ridge
Smith, James Perrin (1906), The paragenesis of the minerals in the glaucophane-bearing rocks of California: American Philosophical Society Proceedings: 45: 203; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 432.
    • Sonoma Co.
      • Santa Rosa
Murgoci, G.M. (1906), Contribution to the classification of the amphiboles; on some glaucophane schists, syenites, etc.: Univ. Calif., Dept. Geol. Sci. Bulletin: 4: 389; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 432.
  • Connecticut
    • Fairfield Co.
      • Trumbull
        • Long Hill
Jeremy Zolan
Shannon, Earl V. (1921a): The Old Tungsten Mine in Trumbull, Connecticut. American Mineralogist 6:126-128.; Shannon, Earl V. (1921b), Some Minerals from the Old Tungsten Mine at Long Hill in Trumbull, Connecticut. Proceedings U.S. National Museum: 58(2348): 469-482.
Jeremy Zolan
  • Georgia
    • Carroll Co.
      • Burwell Station
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Carrollton
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Habersham Co.
      • Alec Mountain
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Hall Co.
      • Gainesville
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189.
    • Heard Co.
      • Centralhatchee
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Towns Co.
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Union Co.
      • Trackrock Gap
Rocks & Min.: 64:205.
  • Maine
    • Cumberland Co.
      • Harpswell
www.maine.gov/doc/nrimc/mgs/explore/bedrock/b42/harpswell.htm
AmMin 61:431 (1976)
      • E Township
        • Smalls Falls
American Mineralogist 61:431-434, 1976
    • Kennebec Co.
      • Winslow
    • Knox Co.
      • Camden
King & Foord, 1994. Mineralogy of Maine, Vol.1
  • Maryland
    • Baltimore Co.
      • Texas
Minerals of the Washington, D.C. Area
    • Cecil Co.
      • State Line District
Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
  • Massachusetts
    • Berkshire Co.
      • Windsor
Cheney, John T. and Brady, John B. () Petrology of the High-Alumina Hoosac Schist from the Chloritoid + Garnet through the Kyanite ; Cheney, John T. and Brady, John B. (1992) Petrology of the High-Alumina Hoosac Schist from the Chloritoid + Garnet through the Kyanite Zones in Western Massachusetts
    • Hampden Co.
      • Chester
Min Rec (1978) 9:235-242
Alan R. Plante, Personal field notes, 1984
Min Rec (1978) 9:235-242
Mineralogy of Michigan (2004) Heinrich & Robinson
Alan R. Plante, Personal field and lab notes, 1984-1987
Min Rec (1978) 9:235-242
Min Rec (1978) 9:235-242
    • Hampshire Co.
      • Pelham
Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126), p. 106.
    • Worcester Co.
Robinson,1978. Bedrock Geology: Pepperell, Shirley, and Townsend Quads. and Part of Ayer Quad., Mass. and NH
  • Michigan
www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
  • Montana
    • Beaverhead Co.
      • Ruby Range
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 49:430-435
  • New Hampshire
    • Grafton Co.
Kohn, M.J. and Spear, F.S. (1993) Phase equilibria of margarite-bearing schists and chloritoid+hornblende rocks from western New Hampshire, U. S. A. Journal of Petrology, 34, 631-651.
      • Orford
Orange, Daniel Lewis (1985) metamorphic petrology, Pressure-Temperature Paths, and tectonic Evolution of the Mount Cube Quadrangle, New Hampshire and Vermont, Ms Thesis, Massachusetts Institute of Technology.
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
          • Franklin Marble
Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10); Dunn(1995):Pt2:163.
FOMS Millsite Committee (1986) (circa), List of Mineral Species Found on the Franklin Mill Site, Franklin-Ogdensburg Mineralogical Society (unpublished).
        • Ogdensburg
Dunn, Pete J. (1995)
          • Sterling Hill
Dunn(1995):Pt4:469.
  • North Carolina
    • Alleghany Co.
      • Sparta
        • Bald Knob
Brannock,K.C,1971,Minerals of the Spinel Group from Alleghany County,North Carolina
    • Clay Co.
      • Buck Creek
Dana 6:515,637 & 1075.
Mcrocks.com
GEORGIA JOURNAL OF SCIENCE Volume 56 1998 Number 1
    • Gaston Co.
Genth,F.A and Kerr,W.C,1881,Mineral and Mineral Localities of North Carolina,Geologic Survey
      • Lincolnton
Genth,F.A and Kerr,W.C, 1881,Mineral Localities of North Carolina, Geologic Survey, North Carolina
    • Haywood Co.
      • Canton
Richard James Jacquot,Jr.,2003,Rock,Gem,and Mineral Collecting Sites in Western North Carolina
    • Iredell Co.
Genth,Frederick Augustus.,1891,The Minerals Of North Carolina;USGS Bulletion No.74,pp.69
    • Jackson Co.
Dana 6:1077.
    • Macon Co.
      • Cowee Valley
        • Ellijay District
          • Franklin
            • Corundum Hill
Ref.: Dana 6:499, 560 & 1077.
Eckert, J. O., Jr., 1984, Stratigraphy, structure, and metamorphism in the east half of the Wayah Bald quadrangle, North Carolina: ...
    • Madison Co.
Dana 6:1077.
Genth,F.A.,1891,The minerals of North Carolina
Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
  • Pennsylvania
    • Chester Co.
      • Newlin Township
        • Unionville
Dana: Textbook of Mineralogy; 1932rev. Pgs.666-7
www.libraries.psu.edu/emsl/guides/X/delaware.htm.
      • Middletown Township
        • Elwyn
Joe Dunleavy (Pers. Comm.)
    • Lancaster Co.
      • State Line Chromite District
        • Fulton Township
Mineralogical Record (1981): 12(3): 149-156.
  • South Carolina
    • Lancaster Co.
      • Kershaw
Econ Geol (1992) 87:91-112
    • York Co.
AmMin 85:1617-1624
  • Vermont
    • Orleans & Lamoille Cos.
      • Lowell & Eden
Rocks & Min. Vol. 71, (1996)
    • Orleans Co.
Perkins Geology Museum at the University of Vermont
  • Virginia
Owens, B.E.,Belkin, H.E., and Zerolis, J.M (2013) Margarite, Corundum, Gahnite, and Zincohogbomite in a blackwall, Raleigh Terrane, Eastern Piedmont Province, USA :Mineralogical Magazine, Oct 2013, Vol. 77 (7) pp. 2913-2929
    • Buckingham Co.
Minerals of Virginia, 1990 by R. V. Dietrich
    • Patrick Co.
      • Stuart
Minerals of Virginia 1990 by R. V. Dietrich
Vietnam
 
  • Yenbai Province (Yen Bai Province)
    • Luc Yen
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004
Zambia
 
  • Copperbelt Province
    • Ndola District
      • Ndola
Zwaan, J. C.; Seifert, A. V.; Vrana, S.; Laurs, B. M.; Anckar, B.; Simmons, W. B.; Falster, A. U.; Lustenhouwer, W. J.; Muhlmeister, S.; Koivula, J. I.; Garcia-Guillerminet, H. (2005): Emeralds from the Kafubu area, Zambia. Gems and Gemology 41, 116-148
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