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Ustarasite

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SKY857425

Ustarasite

Type Locality

Description Tabs

Description
Locality: 
Ustarasai Bismuth Deposit, Brichmulla, Pskem Range, Tashkent Viloyati, Uzbekistan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.4 cm
Description

Silver- grey microcrystals of the extremely rare mineral ustarasite from the type locality in Ustarasai deposit, Uzbekistan.

Ustarasite is a Pb-Bi sulphosalt.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Ustarasite

Formula: 
Pb(Bi,Sb)6S10 (?)
Strunz: 
2/E.35-10
Hardness: 
Colour: 
Silver-grey, white in reflected light.
Type Locality: 
Ustarasai Bismuth Deposit, Brichmulla, Pskem Range, Tashkent Viloyati, Uzbekistan

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