General Jaipurite Information
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Chemical Formula: |
CoS |
Composition: |
Molecular Weight = 91.00 gm |
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Cobalt 64.76 % Co |
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Sulfur 35.24 % S |
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______ |
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100.00 % |
Empirical Formula: |
CoS |
Environment: |
Doubtful species. |
IMA Status: |
Not Approved IMA |
Locality: |
Khetri mines, Jaipur, India Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality |
Synonym: |
ICSD 29305 |
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PDF 25-1081 |
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Search for Jaipurite Images |
Images:
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Jaipurite Crystallography
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Axial Ratios: |
a:c = 1:1.53252 |
Cell Dimensions: |
a = 3.367, c = 5.16, Z = 2; V = 50.66 Den(Calc)= 5.97 |
Crystal System: |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
X Ray Diffraction: |
By Intensity(I/Io): 1.9322(1)(102), 2.9159(0.602)(100), 1.6835(0.449)(110),2.5386(0.316)(101), 1.2693(0.251)(202), 1.458(0.066)(200), 1.29(0.064)(004), 2.58(0.059)(002), 1.4815(0.05)(103), |
Crystal Structure:
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drag1 - LMB Manipulate Structure
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Help on Above
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Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ideal nickel arsenide structure
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Physical Properties of Jaipurite
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Color: |
Steel gray. |
Density: |
5.45 |
Diaphaniety: |
Opaque |
Luster: |
Metallic |
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Calculated Properties of Jaipurite
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Electron Density: |
relectron=5.64 gm/cc note: rJaipurite =5.97 gm/cc. |
Fermion Index |
Fermion Index = 0.00264 Boson Index = 0.99736 |
Photoelectric: |
PEJaipurite = 24.33 barns/electron U=PEJaipurite x relectron= 137.29 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Jaipurite is Not Radioactive |
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Jaipurite Classification
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Dana Class: |
2.0.0.0 (2)Sulfide Minerals |
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(2.0)Without Dana Classification Numbers |
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(Sulfide) |
Strunz Class: |
II/C.19-25 II - Sulfides and sulphosalts |
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II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1 |
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II/C.19 - Troilite - Pyrrhotite - Haideite series |
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II/C.19-10 Troilite FeS P 63/mmc 6/m 2/m 2/m |
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II/C.19-20 Pyrrhotite Fe(1-x)S(x=0-0.17) A2/a 2/m |
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II/C.19-25 Jaipurite CoS P 63/mmc 6/m 2/m 2/m |
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II/C.19-30 Westerveldite (Fe,Ni,Co)As Pnam 2/m 2/m 2/m |
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II/C.19-40 Modderite (Co,Fe)As Pmcn 2/m 2/m 2/m |
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II/C.19-50 Smythite (Fe,Ni)9S11or(Fe,Ni)13S16 R 3m 3 2/m |
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II/C.19-60 Achavalite* FeSe P 63/mmc 6/m 2/m 2/m |
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II/C.19-70 Heideite (Fe,Cr)1x(Ti,Fe)2S4 I2/m 2/m |
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Other Jaipurite Information
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References: |
PHYS. PROP.(Dana's Sys. of Min.,7th ed.,Vol.1,1944) |
See Also: |
Links to other databases for Jaipurite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - EUROmin Project
4 -Google Images
5 -Google Scholar
6 -MinDAT
7 -MinMax(Deutsch)
8 -MinMax(English)
9 -Mineralienatlas (Deutsch)
10 -QUT Mineral Atlas
11 - WWW-MINCRYST
12 -École des Mines de Paris
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Print or Cut-and-Paste your Jaipurite Specimen Label here :
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Jaipurite
CoS
Dana No: Unknown Strunz No: II/C.19-25
Locality:
Notes:
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