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Pyrochlore Group
About
Group Parent:
Pyrochlore Supergroup
Mineral Data
A2Nb2(O,OH)6Z
Strunz:
4
Physical Properties
Colour:
Brown, yellow-brown, reddish brown, orange, black
Crystal System:
Isometric
Streak:
Light brown, yellow-brown
Hardness:
5 - 5.5
Tenacity:
Brittle
