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Quartz (Var: Amethyst) : SiO2, Fluorite : CaF2

Copyright © Rob Lavinsky & irocks.com
 
 
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Quartz (Var: Amethyst) : SiO2, Fluorite : CaF2

Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 7.4 cm x 5.8 cm x 2.8 cm

7.4 x 5.8 x 2.8 cm. An unusual contemporary specimen from the Mel Bersh claims in Colorado - crystals of light purple amethyst have formed on a layered crust of green fluorite! Ex. Clyde Hardin Collection.


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Photo added: 18th Mar 2009