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Daniel jacobs

Unknown Turquoise / Green Mineral
June 11, 2012 02:49AM

Registered: 11 months ago
Posts: 84

Bought this about 10 years ago in a rock and mineral shop. Dont have a clue to what it is.

Quartz does scratch it.
It can scratch fluorite.

I did a bunch of searching and it looks like Dioptase (Hardness of 5). Cant be sure though, I dont know much

Edited 2 time(s). Last edit at 06/11/2012 02:55AM by Daniel jacobs.

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Stephanie Martin

Re: Unknown Turquoise / Green Mineral
June 11, 2012 03:17AM

Registered: 6 years ago
Posts: 1,157

Yes Daniel! You are correct! It is dioptase, probably from the type location, Altyn Tyube, Kazakhstan.

regards,
stephanie smiling smiley

Edited 1 time(s). Last edit at 06/11/2012 03:18AM by Stephanie Martin.

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Lefteris Rantos

Re: Unknown Turquoise / Green Mineral
June 11, 2012 08:22AM

Registered: 7 years ago
Posts: 792

Correct, its Dioptase. And judging from the matrix (coarse crystalline Calcite), indeed it's most probably from the type-locality of Altyn-Tyube, Kazakhstan.

Lefteris.

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