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Pyrochlore Group

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SHS37340

Pyrochlore Group

ex. Collection Dr. Winfried Böhmer (Wunstorf/Germany)

Description Tabs

Description
Locality: 
Schelingen, Vogtsburg im Kaiserstuhl, Freiburg Region, Baden-Württemberg, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5.5 × 3.6 cm
Description

Small koppite crystals in matrix and some single crystals in capsula

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