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Johannsenite 2.77 ct.



100,00 €

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Johannsenite   2.77 ct.

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is a Manganese Silicate with formula CaMnSi2O6 and hardness of 6.

It belong to the pyroxene group, not know before as facet stone , occur is small crystal in blue green,grey-white often opaque to translucent.

This piece here comes from Iron Cap Mine,Graham Co. Arizona.

Size: 8.5x7x5 mm.

Weight:2.77 ct.


Origin Arizona

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