Posts tagged Minerals
HD VIDEO - See how and where Tanzanite formed in the earth.

Tanzanite is only found in one place on earth. Most of us know where, and at the same time appreciate its rarity. Today I add what could arguably described as an even rarer opportunity and that is to see the geology - the rocks as I see them and what, as a geologist, read, to point the miners in the right direction to find the Tanzanite.

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