Ustarasite Mineral Data

General Ustarasite Information

Chemical Formula:

Pb(Bi,Sb)6S10

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 %

Empirical Formula:

PbBi_5.5Sb_0.5S₁₀

Environment:

In quartz-bismuthinite veins.

IMA Status:

Valid Species (Pre-IMA) 1955

Locality:

Ustarasaisk deposit, western Tian-Shan, Kazakhstan. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Ustarasite + Pronunciation

Search for Ustarasite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Ustarasite Crystallography

Crystal System:

OrthorhombicSpace Group: Unk

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

By Intensity(I/I_o): 1.057(1), 1.483(1), 3.527(1),

Physical Properties of Ustarasite

Cleavage:

{???} Perfect

Color:

Gray, Silver gray.

Diaphaneity:

Opaque

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

2.5 - Finger Nail

Luster:

Metallic

Optical Properties of Ustarasite

RL Anisotrophism:

Strong.

RL Color:

Pure white.

Calculated Properties of Ustarasite

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Ustarasite=1,510.60 barns/electron
U=PE_Ustarasite x rElectron Density= . barns/cc.

Radioactivity:

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

Ustarasite Classification

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

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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

Search for Ustarasite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ustarasite :

A Bijoux Google Search for Ustarasite
Adam's Minerals Google Search for Ustarasite
Cape Minerals Google Search for Ustarasite
Dakota Matrix Minerals Google Search for Ustarasite
Excalibur Mineral Corp. Google Search for Ustarasite
Exceptional Minerals Google Search for Ustarasite
John Betts Fine Minerals Search for Ustarasite
McDougall Minerals Google Search for Ustarasite
Mineral News Website Link
Rock and Mineral Shows Google Search for Ustarasite
Weinrich Minerals, Inc. Google Search for Ustarasite

Ask about Ustarasite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: