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Wurtzite 2.96 ct.



100,00 €

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Wurtzite  2.96 ct.

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is a zinc iron sulfide with formula (Zn,Fe)S.Hardness is 3.5-4.

A rare high temperature polymorph of the more common sphalerite. This gem here comes from Pribram ,Central Bohemian Region,Bohemia, Czech Republic and is opaque with metallic lustre.

Size:7x9.4x4.5 mm.

Weight:2.96 ct.


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