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Mineralpedia Details for Pyrochlore

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Pyrochlore

Pyrochlore

Formula
(Na,Ca)2Nb2O6(OH,F) 
Crystal System
Isometric 
Crystal Habit
Granular, Disseminated 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Resinous - Greasy 
Color
brown, yellowish brown, yellow, greenish brown, reddish brown 
Streak
yellowish brown 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
5-5.5 
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Pyrochlore from Oka complex, Oka, Laurentides, Quebec, Canada

Pyrochlore
            from Oka complex, Oka, Laurentides, Quebec, Canada

Chocolate brownish red octahedral crystals of Pyrochlore, a member of the microlite group.

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