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Pyrochlore Group

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SHS128644

Pyrochlore Group

Description Tabs

Description
Locality: 
Ohrberg Quarry, Schelingen, Freiburg, Baden-Württemberg, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.3 × 1.1 cm
Description

Pyrochlore group member, so called koppite in matrix

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