Mineralogy Database

Ustarasite Mineral Data

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General Ustarasite Information

Help on Chemical  Formula: Chemical Formula: Pb(Bi,Sb)6S10
Help on Composition: Composition: Molecular Weight = 1,738.13 gm
   Bismuth   66.13 %  Bi
   Antimony   3.50 %  Sb
   Lead      11.92 %  Pb
   Sulfur    18.45 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PbBi5.5Sb0.5S10
Help on Environment: Environment: In quartz-bismuthinite veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Ustarasaisk deposit, western Tian-Shan, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ustarasite + Pronunciation Say USTARASITE
 

Ustarasite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.057(1), 1.483(1), 3.527(1),
 

Physical Properties of Ustarasite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Gray, Silver gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic
 

Optical Properties of Ustarasite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: Pure white.
 

Calculated Properties of Ustarasite

Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEUstarasite =1,510.60 barns/electron
U=PEUstarasite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ustarasite is Not Radioactive
 

Ustarasite Classification

Help on  Dana Class: Dana Class: 03.08.11.01 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.11)Dana Group
 
03.08.11.01 Ustarasite Pb(Bi,Sb)6S10 Unk Ortho
Help on  Strunz Class: Strunz Class: 02.JB.40e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.40e Ustarasite Pb(Bi,Sb)6S10 Unk Ortho
 

Other Ustarasite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Ustarasite :
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 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Ustarasite

Pb(Bi,Sb)6S10
Dana No: 03.08.11.01 Strunz No: 02.JB.40e
Locality:

 

Notes: