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Briartite

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Formula:
Cu2(Fe,Zn)GeS4
System:
Tetragonal
Hardness:
3½ - 4½
Member of:
Name:
For Gaston Briart
This page provides mineralogical data about Briartite.

Classification of Briartite

Approved
2.KA.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
K : Sulfarsenates, Sulfantimonates
A : Sulfarsenates with (As,Sb)S4 tetrahedra
2.9.2.3

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
6.2.2

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
2 : Sulphogermanates
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First Recorded Occurrence of Briartite

Year of Discovery:
1965
Geological Setting of First Recorded Material:
Inclusions in Ge bearing minerals
Associated Minerals at First Recorded Locality:

Physical Properties of Briartite

Diaphaneity (Transparency):
Opaque
Hardness (Mohs):
3½ - 4½
Density:
4.337 g/cm3 (Calculated)

Crystallography of Briartite

Crystal System:
Tetragonal
Cell Parameters:
a = 5.32Å, c = 10.51Å
Ratio:
a:c = 1 : 1.976
Unit Cell Volume:
V 297.46 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Small grains
Twinning:
Polysynthetic

Optical Data of Briartite

Type:
Anisotropic
Anisotropism:
weak in air, distinct in oil
Colour in reflected light:
Gray to gray-blue

Chemical Properties of Briartite

Formula:
Cu2(Fe,Zn)GeS4
Essential elements:
All elements listed in formula:
Common Impurities:
Ga,Sn

Relationship of Briartite to other Species

Member of:
Other Members of Group:
ČernýiteCu2(Cd,Zn,Fe)SnS4
FamatiniteCu3SbS4
FerrokësteriteCu2(Fe,Zn)SnS4
Ge-stannoiditeCu8Fe2ZnGe2S12
HocartiteAg2(Fe2+,Zn)SnS4
KësteriteCu2(Zn,Fe)SnS4
Kësterite Subgroup
KeutschiteCu2AgAsS4
KuramiteCu3SnS4
LuzoniteCu3AsS4
PermingeatiteCu3SbSe4
Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
PirquitasiteAg2ZnSnS4
StanniteCu2(Fe,Zn)SnS4
VelikiteCu2HgSnS4
2.KA.05EnargiteCu3AsS4
2.KA.05Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
2.KA.10FamatiniteCu3SbS4
2.KA.10LuzoniteCu3AsS4
2.KA.10PermingeatiteCu3SbSe4
2.KA.10BarquilliteCu2CdGeS4
2.KA.15FangiteTl3AsS4
6.2.1GermaniteCu13Fe2Ge2S16
6.2.3Renierite(Cu,Zn)11(Ge,As)2Fe4S16
6.2.4ArgyroditeAg8GeS6
6.2.5CanfielditeAg8SnS6
6.2.6Morozeviczite(Pb,Fe)3Ge1-xS4
6.2.7Polkovicite(Fe,Pb)3(Ge,Fe)1-xS4

Other Names for Briartite

Name in Other Languages:
German:Briartit
Spanish:Briartita

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.

References for Briartite

Reference List:
American Mineralogist: 51: 1816.

American Mineralogist: 80: 849.

Internet Links for Briartite

Localities for Briartite

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.
Bulgaria
 
  • Pazardzhik Oblast (Pazardjik Oblast)
    • Panagyurishte (Panagurishte) Obshtina
      • Levski
Bogdanov, K., Tsonev, D., & Popov, K. (2004). Mineral Assemblages And Genesis Of The Cu-Au Epithermal Deposits In The Southern Part Of The Panaguyrishte Ore District, Bulgaria. Bulletin of the Geological Society of Greece, 36:406-415
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kipushi
Bull.Soc.fr.Min.Crist.(1965) 88, 432-437; Nenasheva, S. New Data on Minerals (2003): 38: 41-44; Chabu, M. (1995). The Geochemistry Of Phlogopite And Chlorite From The Kipushi Zn-Pb--Gu Deposit, Shaba, Zaire., Canadian Mineralogist 33, 547-558.
France
 
  • Midi-Pyrénées
    • Ariège
Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR
    • Haute-Garonne
      • Argut-Dessus
J. W. Anthony et al.: Handbook of Mineralogy, Vol. 3 (1997), 21
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Guillaumes
R. Pierrot, P. Picot, J. Feraud, J. Vernet : "Inventaire Minéralogique de la France, N° 4, Alpes Maritimes", BRGM, 1974
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
No reference listed
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Gramaccioli, C. M., 1985. Conoscere i minerali. I solfosali. Istituto Geografico De Agostini, Novara, 96 pp
Spain
 
  • Andalusia
    • Granada
      • Motril
- Morales Ruano,S.,Touray,J.C., Barbanson,L.y Fenoll,P. (1996). Génesis de las mineralizaciones de Ge asociadas a esfaleritas portadoras de fluidos "incompatibles" del Cerro del Toro(Alpujárride, SE de España) Geogaceta, 20, 1567-1570.
  • Asturias
    • Riosa
A. Paniagua et al. , Bull. Minéral. , 1988, 111, pp. 383-391.
  • Castile and Leon
    • Salamanca
Revista de minerales, 2000 (Mars), 260-263.
USA
 
  • Colorado
    • Boulder Co.
      • Jamestown District
Minerals of Colorado (1997) Eckels, E. B.
Zambia
 
  • Central Province
    • Kabwe District
      • Kabwe (Broken Hill)
Kamona, A. F. & Friedrich, G. H. (2007): Geology, mineralogy and stable isotope geochemistry of the Kabwe carbonate-hosted Pb-Zn deposit, Central Zambia. Ore Geology Reviews 30, 217-243.; Kamona, A.F., Lévêque, J., Friedrich, G., and Haack, U. (1999): Mineralium Deposita 34, 273-283.
Mineral and/or Locality  
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