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Protojoseite Mineral Data
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General Protojoseite Information
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 Chemical Formula: |
Bi4TeS2 (?) |
| Composition: |
Molecular Weight = 1,027.65 gm |
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Bismuth 81.34 % Bi |
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Tellurium 12.42 % Te |
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Sulfur 6.24 % S |
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______ |
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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
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| 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 Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.15(1), 2.29(0.7), 1.571(0.4), |
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Physical Properties of Protojoseite
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| Cleavage: |
{???} Perfect |
| Color: |
Gray white. |
| Density: |
8.48 - 8.52, Average = 8.5 |
| Diaphaneity: |
Opaque |
| Luster: |
Metallic |
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Calculated Properties of Protojoseite
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| Electron Density: |
Bulk Density (Electron Density)=8.79 gm/cc
note: Specific Gravity of Protojoseite =10.9 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEProtojoseite =1,664.29 barns/electron
U=PEProtojoseite x rElectron Density=14633.08 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Protojoseite is Not Radioactive |
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Protojoseite Classification
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| Dana Class: |
02.00.00.00 (02)Sulfide Minerals |
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(02.00)Without Dana Classification Numbers |
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(02.00.00)Sulfosalt - Te |
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02.00.00.00 Argentite* Ag2S I m3m 4/m 3 2/m |
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02.00.00.00 Bayankhanite? Cu6HgS4 Unk Hex |
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02.00.00.00 Bismutoplagionite* 5PbS.4Bi2S3 Unk Ortho |
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02.00.00.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3 |
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02.00.00.00 Colimaite K3VS4 P nma 2/m 2/m 2/m |
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02.00.00.00 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m |
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02.00.00.00 Dilithium* Li2Te P 222 2 2 2 |
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02.00.00.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3 |
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02.00.00.00 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m |
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02.00.00.00 Fersilicite* FeSi P 213 2 3 |
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02.00.00.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m |
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02.00.00.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm |
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02.00.00.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m |
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02.00.00.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic |
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02.00.00.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic |
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02.00.00.00 Jaipurite* CoS P 63/mmc 6/m 2/m 2/m |
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02.00.00.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono |
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02.00.00.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic |
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02.00.00.00 Plumosite* Pb2Sb2S5 Mono |
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02.00.00.00 Protojoseite* Bi4TeS2(?) R 3m 3 2/m |
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02.00.00.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm |
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02.00.00.00 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho |
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02.00.00.00 Sztrokayite* Bi3TeS2 Trig ? Trig |
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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 |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DC -Variable M:S |
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02.DC.05e Baksanite! Bi6Te2S3 P 3m1 3 2/m |
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02.DC.05e Sztrokayite* Bi3TeS2 Trig ? Trig |
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02.DC.05e Protojoseite* Bi4TeS2(?) R 3m 3 2/m |
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02.DC.05e Vihorlatite! Bi24Se17Te4 P 3m1 3 2/m |
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Other Protojoseite Information
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| 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 :
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Protojoseite
Bi4TeS2 (?)
Dana No: 02.00.00.00 Strunz No: 02.DC.05e
Locality:
Notes:
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