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Pyrochlore

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CR117062

Pyrochlore

Rare Mineral

Description Tabs

Description
Locality: 
Vishnevye Mountains, Chelyabinsk Oblast, Russian Federation
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 6 × 4.5 cm
Largest Crystal: 
1.10cm
Description

Glassy and partially gemmy, burnished brown pyrochlore octohedrons aesthetically cover matrix on this very fine specimen from Ural Mts., Russia.  Pyrochlore is an uncommon niobium oxide. This is a superb specimen with extremely rich crystals, of high lustre, and good quality. It was found perhaps a decade ago.

Mineral Data
What's on the rock

Pyrochlore

Synonym Of: 

Pyrochlore Group

Formula: 
A2Nb2(O,OH)6Z
Strunz: 
4
Hardness: 
5 - 5.5
Group Parent: 
Pyrochlore Group