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Weissite

A valid IMA mineral species - grandfathered
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About WeissiteHide

Formula:
Cu2-xTe
Previously given as Cu5Te3.
Colour:
Bluish black, black (tarnished)
Lustre:
Metallic
Hardness:
3
Specific Gravity:
5.83 (Calculated)
Crystal System:
Hexagonal
Name:
Named after Dr. Louis Weiss, pharmacist (July 20, 1854 Chicago, Illinois - Santa Monica, Calif. June 17, 1924), owner of the Good Hope Mine, Colorado (USA).
This page provides mineralogical data about Weissite.


Unique IdentifiersHide

Mindat ID:
4263
Long-form identifier:
mindat:1:1:4263:1
GUID
(UUID V4):
f1048f7b-0e9d-4d6a-9f4c-4bf0a768f177

IMA Classification of WeissiteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Cu2-xTe

Classification of WeissiteHide

2.BA.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
2.4.8.1

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
3.1.16

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu

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
WstIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
WstThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of WeissiteHide

Metallic
Transparency:
Opaque
Colour:
Bluish black, black (tarnished)
Streak:
Black
Hardness:
Hardness:
VHN100=145 - 158 kg/mm2 - Vickers
Fracture:
Irregular/Uneven
Density:
5.83 g/cm3 (Calculated)

Optical Data of WeissiteHide

Anisotropism:
distinct
Pleochroism:
Visible

Chemistry of WeissiteHide

Mindat Formula:
Cu2-xTe

Previously given as Cu5Te3.

Crystallography of WeissiteHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P6/mmm
Setting:
P6/mmm
Cell Parameters:
a = 12.54 Å, c = 21.71 Å
Ratio:
a:c = 1 : 1.731
Unit Cell V:
2,956.55 ų (Calculated from Unit Cell)
Z:
15

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020112WeissiteBindi L, Carbone C, Belmonte D, Cabella R, Bracco R (2013) Weissite from Gambatesa mine, Val Graveglia, Liguria, Italy: occurrence, composition and determination of the crystal structure Mineralogical Magazine 77 475-4832013Gambatesa mine, Val Graveglia, Liguria, Italy0293
0015565WeissiteBaranova R V, Avilov A S, Pinsker Z G (1974) Determination of the crystal structure of the hexagonal phase betaIII in the copper-tellurium system by electron diffraction Soviet Physics Crystallography 18 736-7401974synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.09 Å(100)
3.61 Å(70)
2.01 Å(70)
3.24 Å(60)
1.80 Å(50)
2.55 Å(30)
2.17 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of WeissiteHide

Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 95782
Associated Minerals at Type Locality:
Reference:
Crawford W P (1927) Weissite - a new mineral. American Journal of Science series 5: 13: 345-346.

Synonyms of WeissiteHide

Other Language Names for WeissiteHide

German:Weissit
Simplified Chinese:黑碲铜矿
韦氏碲铜矿
Spanish:Weissita

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Weissite associated with GoldAu
1 photo of Weissite associated with KostoviteCuAuTe4
1 photo of Weissite associated with RickarditeCu7Te5
1 photo of Weissite associated with Goldfieldite(Cu42)(Cu4Cu+2)Te4S12S

Related Minerals - Strunz-mindat GroupingHide

2.BA.Orileyite(Fe,Cu)2As
2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.DzierżanowskiteCaCu2S2Trig. 3m (3 2/m) : P3m1
2.BA.MakotoiteAg12(Cu3Au)S8Trig. 3m (3 2/m) : R3c
2.BA.XuwenyuaniteAg9Fe3+Te2S4Iso. 4 3m : F4 3m
2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu9S5Tric. 1 : P1
2.BA.10AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10DigeniteCu9S5Trig. 3m (3 2/m) : R3m
2.BA.15BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2-xSe (x ≈ 0.12)Iso. m3m (4/m 3 2/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet. 4 2m : P4 21m
2.BA.30RickarditeCu7Te5Orth. mmm (2/m 2/m 2/m) : Pmmn
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.35SpryiteAg8(As3+0.5As5+0.5)S6Orth. mm2 : Pna21
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm (2/m 2/m 2/m)
2.BA.40dUM2003-13-S:AgAuCuAg6AuCu2S5
2.BA.42HoneaiteAu3TlTe2 Orth. mmm (2/m 2/m 2/m) : Pbcm
2.BA.45JalpaiteAg3CuS2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
2.BA.45KuriliteAg8Te3SeTrig. 3 : R3
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
2.BA.47Spiridonovite(Cu1-xAgx)2TeTrig. 3m (3 2/m) : P3c1
2.BA.50EucairiteAgCuSeOrth.
2.BA.50WuyanzhiiteCu2STet. 4 2 2 : P43 21 2
2.BA.52ArgentiteAg2SIso.
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.55NaumanniteAg2SeOrth. 2 2 2 : P21 21 21
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40 Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70CanfielditeAg8SnS6Orth. mm2
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 4 3m : F4 3m
2.BA.75FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex. 6 2 2 : P63 2 2
2.BA.75PetrovskaiteAuAgSMon.
2.BA.75PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m (3 2/m) : R3c
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

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.

Internet Links for WeissiteHide

References for WeissiteHide

Localities for WeissiteHide

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 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.
Australia
 
  • Western Australia
Roberts et al. (1974)
      • Kalgoorlie-Boulder
Noble (2017)
Econ Geol (1997)
Simpson (1948)
Bulgaria
 
  • Pazardzhik Province
    • Panagyurishte Municipality
      • Elshitsa
Cook et al. (2002)
      • Levski
Tsonev et al. (Eds.)
      • Popintsi
Cook et al. (2002)
  • Sofia Province
    • Etropole Municipality
Singer et al. (2008)
Chile
 
  • Coquimbo
    • Elqui Province
Jannas et al. (1990)
China
 
  • Henan
    • Sanmenxia
      • Lingbao City
        • Qinling Mine
Zhenkuan Luo et al. (1999)
        • Xiaoqinling mining district
Shuzhang Tian et al. (1993)
  • Shandong
    • Linyi
      • Pingyi County
        • Tongshi complex
Xu et al. (2014)
  • Shanxi
    • Yuncheng
      • Yuanqu Co.
        • Zhongtiaoshan ore field
Yongrui Zhao and Yunqing Zhen (2006)
Yongrui Zhao and Yunqing Zhen (2006)
Ghana
 
  • Ashanti Region
    • Obuasi Gold Project
Mineralogical Magazine 1990 54 : 617-627 +1 other reference
Greece
 
  • South Aegean
    • Tinos
      • Tinos Island
Bonev et al. (2005) +2 other references
Italy
 
  • Liguria
    • Genoa
      • Ne
        • Reppia
Bindi et al. (2013) +1 other reference
Japan
 
  • Kagoshima Prefecture
    • Satsumasendai City
      • Iriki
Ishibashi (1960)
Kazakhstan
 
  • East Kazakhstan Region
    • Kurshim District
Глоба В.А. Месторождение Манка - новый геолого-промышленный тип месторождений золота. // Изв. НАН РК et al. (403)
Poland
 
  • Silesian Voivodeship
    • Zawiercie County
      • Gmina Ogrodzieniec
Harańczyk (1983)
Romania
 
  • Hunedoara County
    • Brad
      • Mustari
Afifi et al. (1988)
Russia
 
  • Chelyabinsk Oblast
    • Sosnovsky District
      • Bereznyakovskoe ore field
Lehmann et al. (1999) +2 other references
  • Murmansk Oblast
    • Olenegorsk
Bazai et al. (2009)
  • Sverdlovsk Oblast
    • Beryozovsky
Lehmann et al. (1999)
Slovakia
 
  • Prešov Region
    • Prešov District
      • Zlatá Baňa
Duda et. all.
Sweden
 
  • Dalarna County
    • Falun
  • Värmland County
    • Arvika
      • Glava
Scherbina (1941) +2 other references
Ukraine
 
  • Zhytomyr Oblast
    • Zhytomyr Raion
      • Radomyshl Raion
Bondarenko +2 other references
USA
 
  • Arizona
    • La Paz County
Williams et al. (1975) +1 other reference
  • Colorado
    • Boulder County
      • Gold Hill Mining District
Eckel et al. (1997)
      • Sugarloaf Mining District
Eckel et al. (1997)
      • Ward Mining District
Eckel et al. (1997)
Eckel et al. (1997)
    • Gunnison County
      • Vulcan Mining District (Cebolla Mining District; Domingo Mining District)
Dana 7:I:199.
        • Vulcan
HB1 (1990) +1 other reference
    • Lake County
      • Alicante
POHL et al. (1990)
Eckel et al. (1997)
  • New Mexico
    • Doña Ana County
      • Organ Mountains
Northrop et al. (1996)
Northrop et al. (1996)
Northrop et al. (1996)
    • Sierra County
Anthony et al. (1990)
Uzbekistan
 
  • Tashkent Region
    • Ohangaron District
Kovalenker et al. (1997) +2 other references
Zimbabwe
 
  • Midlands
    • Kwekwe District
Afifi et al. (1988) +1 other reference
 
矿物 and/or 产地  
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