[Geology2] It's good to learn new mineral everyday

A green variety of microcline feldspar (of limited occurence) . . .

Amazonite - Wikipedia, the free encyclopedia
http://en.wikipedia~org/wiki/Amazonite

(Microcline - Wikipedia, the free encyclopedia
http//en.wikipedia.org/wiki/Microcline)

I encountered it in connection with the Garamantes civilization of
ancient North Africa.

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