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Pyrochlore Group

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ESM222230

Pyrochlore Group

Description Tabs

Description
Locality: 
Vishnevye Mountains, Chelyabinsk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.3 × 5.7 × 3.1 cm
Description

Glassy brown lustrous pyrochlore crystals

Mineral Data
What's on the rock

Pyrochlore Group

Formula: 
A2Nb2(O,OH)6Z
Strunz: 
4
Crystal System: 
Isometric
Hardness: 
5 - 5.5
Colour: 
Brown, yellow-brown, reddish brown, orange, black
Streak: 
Light brown, yellow-brown