Biotite crystals

shaman15771

shaman15771

Sr. Member
May 27, 2014
321
117
SW VIRGINIA
Detector(s) used
fisher
Primary Interest:
All Treasure Hunting
We have a lot of biotite (black mica). This specimen appears to have a crystal structure.

biotite 1.jpgbiotite 2.jpgbiotite 3.jpg
 

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Rock with Blue Green or Green Blue. What is it?

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its a Kimberlite rock or something else ?

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