Kurilite Mineral Data

General Kurilite Information

Chemical Formula:

(Ag,Au)2(Te,Se,S)

Composition:

Molecular Weight = 363.74 gm

Silver 44.48 % Ag

Tellurium 21.05 % Te

Gold 27.08 % Au

Selenium 6.51 % Se

Sulfur 0.88 % S

______

100.00 %

Empirical Formula:

Ag_1.5Au_0.5Te_0.6Se_0.3S_0.1

Environment:

Inadequately described species possibly hessite or petzite.

IMA Status:

Discredited IMA 2006

Locality:

Kurile-Kamtchatka volcanic belt, Siberia, Russia Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Kurilite Image

Images:

Kurilite Hessite

Comments: Metallic crystal of hessite on matrix. Hessite is also known as kurilite.
Location: Botes, Zlatna, Transylvania, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kurilite Crystallography

Cell Dimensions:

a = 11.27, Z = 1; V = 1,431.44 Den(Calc)= 0.42

Crystal System:

IsometricSpace Group: P m3n,P 4₃n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3(0.9), 2.427(0.5), 2.52(0.5),

Physical Properties of Kurilite

Cleavage:

None

Color:

Gray, Steel gray.

Diaphaneity:

Opaque

Luster:

Metallic

Optical Properties of Kurilite

Optical Data:

NCalc= 1.07 - from Gladstone-Dale relationship (KC = 0.176) where Ncalc=Dcalc*KC+1

Calculated Properties of Kurilite

Electron Density:

Bulk Density (Electron Density)=0.35 gm/cc
note: Specific Gravity of Kurilite =0.42 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Kurilite= 640.56 barns/electron
U=PE_Kurilite x rElectron Density= 226.33 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kurilite is Not Radioactive

Kurilite Classification

Dana Class:

02.00.00.00 (02)Sulfide Minerals

(02.00)Without Dana Classification Numbers

(02.00.00)Telluride, S

02.00.00.00 Argentite* Ag2S I m3m 4/m 3 2/m

02.00.00.00 Bayankhanite? Cu6HgS4 Unk Hex

02.00.00.00 Bismutoplagionite* 5PbS.4Bi2S3 Unk Ortho

02.00.00.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3

02.00.00.00 Colimaite K3VS4 P nma 2/m 2/m 2/m

02.00.00.00 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m

02.00.00.00 Dilithium* Li2Te P 222 2 2 2

02.00.00.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3

02.00.00.00 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m

02.00.00.00 Fersilicite* FeSi P 2₁3 2 3

02.00.00.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m

02.00.00.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm

02.00.00.00 Imgreite? NiTe P 6₃/mmc 6/m 2/m 2/m

02.00.00.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic

02.00.00.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic

02.00.00.00 Jaipurite* CoS P 6₃/mmc 6/m 2/m 2/m

02.00.00.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono

02.00.00.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 4₃n Cubic

02.00.00.00 Plumosite* Pb2Sb2S5 Mono

02.00.00.00 Protojoseite* Bi4TeS2(?) R 3m 3 2/m

02.00.00.00 Samaniite Cu2Fe5Ni2S8 P 4₁/mmm 4mm

02.00.00.00 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho

02.00.00.00 Sztrokayite* Bi3TeS2 Trig ? Trig

02.00.00.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 4₂m-,P 42₁2 Tetra

Strunz Class:

02.XX.00 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.X - Unclassified Strunz SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarse

02.XX -Telluride, S

02.XX.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic

02.XX.00 Bayankhanite? Cu6HgS4 Unk Hex

02.XX.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3

02.XX.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3

02.XX.00 Dilithium* Li2Te P 222 2 2 2

02.XX.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m

02.XX.00 Horsfordite? Cu5Sb Unk Cubic

02.XX.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 4₃n Cubic

02.XX.00 Imgreite? NiTe P 6₃/mmc 6/m 2/m 2/m

02.XX.00 Matraite? ZnS R 3m 3m

02.XX.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic

02.XX.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono

02.XX.00 Jeromite? As(S,Se)2 None

02.XX.00 Parajamesonite? Pb4FeSb6S14 Unk Ortho

02.XX.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 4₂m-,P 42₁2 Tetra

02.XX.00 Prassoite Rh17S15(?) P m3m 4/m 3 2/m

02.XX.00 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono

02.XX.00 Samaniite Cu2Fe5Ni2S8 P 4₁/mmm 4mm

02.XX.00 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m

02.XX.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm

Other Kurilite Information

References:

PHYS. PROP.(Am.Min.,Vol.77,p208,1992)

See Also:

Links to other databases for Kurilite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Print or Cut-and-Paste your Kurilite Specimen Label here :

Kurilite

(Ag,Au)2(Te,Se,S)
Dana No: 02.00.00.00 Strunz No: 02.XX.00
Locality:

Notes: