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Černýite

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Formula:
Cu2(Cd,Zn,Fe)SnS4
System:
Tetragonal
Colour:
Steel Grey
Hardness:
4
Member of:
Name:
For Dr. Petr Černý, University of Manitoba, Canada.
This page provides mineralogical data about Černýite.

Classification of Černýite

Approved
2.CB.15a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.9.2.2

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
6.1.13

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
1 : Sulphostannates and other sulfides containing Sn
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First Recorded Occurrence of Černýite

Place of Conservation of First Recorded Material:
Smithsonian
Geological Setting of First Recorded Material:
Pegmatite

Occurrences of Černýite

Geological Setting:
Complex zoned pegmatites

Physical Properties of Černýite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Steel Grey
Streak:
Black
Hardness (Mohs):
4
Hardness (Vickers):
VHN50=189 - 210 kg/mm2
Density:
4.76 g/cm3 (Calculated)

Crystallography of Černýite

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4 2m
Cell Parameters:
a = 5.487Å, c = 10.828Å
Ratio:
a:c = 1 : 1.973
Unit Cell Volume:
V 326.00 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Anhedral grains to 200 microns

Optical Data of Černýite

Type:
Anisotropic
Anisotropism:
Very weak in shades of gray

Chemical Properties of Černýite

Formula:
Cu2(Cd,Zn,Fe)SnS4
Essential elements:
All elements listed in formula:

Relationship of Černýite to other Species

Member of:
Other Members of Group:
BriartiteCu2(Fe,Zn)GeS4
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.CB.05aColoradoiteHgTe
2.CB.05aHawleyiteCdS
2.CB.05aMetacinnabarHgS
2.CB.05cPolhemusite(Zn,Hg)S
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4
2.CB.05aSphaleriteZnS
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSe
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)S
2.CB.10aChalcopyriteCuFeS2
2.CB.10aEskeborniteCuFeSe2
2.CB.10aGalliteCuGaS2
2.CB.10bHaycockiteCu4Fe5S8
2.CB.10aLenaiteAgFeS2
2.CB.10bMooihoekiteCu9Fe9S16
2.CB.10bPutoraniteCu9(Fe,Ni)9S16
2.CB.10aRoquesiteCuInS2
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16
2.CB.10aLaforêtiteAgInS2
2.CB.15aFerrokësteriteCu2(Fe,Zn)SnS4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4
2.CB.15aIdaiteCu5FeS6
2.CB.15aKësteriteCu2(Zn,Fe)SnS4
2.CB.15aKuramiteCu3SnS4
2.CB.15bMohiteCu2SnS3
2.CB.15aPirquitasiteAg2ZnSnS4
2.CB.15aStanniteCu2(Fe,Zn)SnS4
2.CB.15cStannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
2.CB.15aVelikiteCu2HgSnS4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8
2.CB.20MawsoniteCu6Fe2SnS8
2.CB.30ColusiteCu26V2(As,Sn,Sb)6S32
2.CB.30GermaniteCu13Fe2Ge2S16
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32
2.CB.30StibiocolusiteCu13V4(Sb,Sn,As)3S16
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8
2.CB.35aKiddcreekiteCu6SnWS8
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4
2.CB.35aRenierite(Cu,Zn)11(Ge,As)2Fe4S16
2.CB.35aVincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4
2.CB.35bCatamarcaiteCu6GeWS8
2.CB.40LautiteCuAsS
2.CB.45CadmoseliteCdSe
2.CB.45GreenockiteCdS
2.CB.45Wurtzite(Zn,Fe)S
2.CB.45RambergiteMnS
2.CB.45Buseckite(Fe,Zn,Mn)S
2.CB.55aCubaniteCuFe2S3
2.CB.55bIsocubaniteCuFe2S3
2.CB.60PicotpauliteTlFe2S3
2.CB.60RaguiniteTlFeS2
2.CB.65ArgentopyriteAgFe2S3
2.CB.65SternbergiteAgFe2S3
2.CB.70SulvaniteCu3VS4
2.CB.75VulcaniteCuTe
2.CB.80EmpressiteAgTe
2.CB.85MuthmanniteAuAgTe2
6.1.1KuramiteCu3SnS4
6.1.2MohiteCu2SnS3
6.1.3VelikiteCu2HgSnS4
6.1.4HemusiteCu6SnMoS8
6.1.5KiddcreekiteCu6SnWS8
6.1.6StanniteCu2(Fe,Zn)SnS4
6.1.7RhodostanniteCu2FeSn3S8
6.1.8MawsoniteCu6Fe2SnS8
6.1.9ChatkaliteCu6FeSn2S8
6.1.10FerrokësteriteCu2(Fe,Zn)SnS4
6.1.11KësteriteCu2(Zn,Fe)SnS4
6.1.12StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
6.1.14VincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
6.1.15PirquitasiteAg2ZnSnS4
6.1.16HocartiteAg2(Fe2+,Zn)SnS4
6.1.17Teallite(Pb,Sn)SnS2
6.1.18FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
6.1.19LévyclauditePb8Sn7Cu3(Bi,Sb)3S28
6.1.20CylindritePb3Sn4FeSb2S14
6.1.21PotosíitePb6Sn3FeSb3S16
6.1.22Sakuraiite(Cu,Zn,Fe)3(In,Sn)S4
6.1.23Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
6.1.24Incaite(Pb,Ag)4Sn4FeSb2S15

Other Names for Černýite

Name in Other Languages:
German:Černýit
Spanish:Černýita

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 Černýite

Reference List:
KISSIN, S.A., OWENS, D.R. & ROBERTS, W.L. (1978): Černýite, a copper-cadmium-tin sulfide with the stannite structure. Canadian Mineralogist 16, 139-146.

SZYMAŃSKI, J.T. (1978): The crystal structure of černýite, Cu2CdSnS4,
a cadmium analogue of stannite. Canadian Mineralogist 16, 147-151.


Internet Links for Černýite

Localities for Černýite

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.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
KISSIN, S.A., OWENS, D.R. & ROBERTS, W.L. (1978): Černýite, a copper B cadmium B tin sulfide with the stannite structure. Canadian Mineralogist 16, 139-146. SZYMAŃSKI, J.T. (1978): The crystal structure of černýite, Cu2CdSnS4, a cadmium analogue of stannite. Canadian Mineralogist 16, 147-151.
Germany
 
  • Bavaria
    • Upper Palatinate
      • Leonberg
        • Pfaffenreuth
Lapis, 10 (9), 13-20+50.
Norway
 
  • Nordland
    • Hemnes
      • Bleikvassli
Cook, N.J., Spry, P.G., and Vokes, F.M. (1998): Mineralogy and textural relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita 34, 35-56
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Rudawy Janowickie Mts
      • Czarnów
        • Rędziny
Pieczka A., Gołębiowska B., Parafiniuk J. 2006: The stannite-group minerals from Rędziny (Lower Silesia, Poland). Mineralogia Polonica - Special Papers, vol. 28, 175 - 177
Spain
 
  • Castile and Leon
    • Salamanca
Revista de minerales, 2000 (Mars), 260-263.
  • Extremadura
Y. Moëlo et al. : "Homologues de la lillianite (gustavite, vikingite, heyrovskyite riche en Ag et Bi, ...) de l'indice à W-As-(Pb, Bi, Ag) de la Roche-Balue (Loire-Atlantique, France)", Bull. Minéral., 1987, 110, pp 43-64.
USA
 
  • South Dakota
    • Pennington Co.
      • Keystone District
        • Keystone
Can.Min.(1978) 16, 139-146; Am Min 64:653
Mineral and/or Locality  
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