Protojoseite Mineral Data

General Protojoseite Information

Chemical Formula:

Bi4TeS2 (?)

Composition:

Molecular Weight = 1,027.65 gm

Bismuth 81.34 % Bi

Tellurium 12.42 % Te

Sulfur 6.24 % S

______

100.00 %

Empirical Formula:

Bi₄TeS₂

IMA Status:

Not Approved IMA

Locality:

Rezbanya, Transylvania, Romania. Link to MinDat.org Location Data.

Name Origin:

Named as a precursor of joseite.

Name Pronunciation:

Protojoseite + Pronunciation

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Protojoseite Crystallography

Axial Ratios:

a:c = 1:13.36101

Cell Dimensions:

a = 4.335, c = 57.92, Z = 6; V = 942.62 Den(Calc)= 10.86

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

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

By Intensity(I/I_o): 3.15(1), 2.29(0.7), 1.571(0.4),

Physical Properties of Protojoseite

Cleavage:

{???} Perfect

Color:

Gray white.

Density:

8.48 - 8.52, Average = 8.5

Diaphaneity:

Opaque

Luster:

Metallic

Calculated Properties of Protojoseite

Electron Density:

Bulk Density (Electron Density)=8.79 gm/cc
note: Specific Gravity of Protojoseite =10.9 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Protojoseite=1,664.29 barns/electron
U=PE_Protojoseite x rElectron Density=14633.08 barns/cc.

Radioactivity:

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

Protojoseite Classification

Dana Class:

02.00.00.00 (02)Sulfide Minerals

(02.00)Without Dana Classification Numbers

(02.00.00)Sulfosalt - Te

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.DC.05e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DC -Variable M:S

02.DC.05e Baksanite! Bi6Te2S3 P 3m1 3 2/m

02.DC.05e Sztrokayite* Bi3TeS2 Trig ? Trig

02.DC.05e Protojoseite* Bi4TeS2(?) R 3m 3 2/m

02.DC.05e Vihorlatite! Bi24Se17Te4 P 3m1 3 2/m

Other Protojoseite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Protojoseite :
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 Protojoseite Specimen Label here :

Protojoseite

Bi4TeS2 (?)
Dana No: 02.00.00.00 Strunz No: 02.DC.05e
Locality:

Notes: