Marmatite 4.64 ct.

  Marmatite

is a black variety of sphalerite with formula (ZnFe)S a zinc and iron fulfide with hardness of 3.5

It is found often associated with pyrite and calcite.Is opaque with adamantine luster.

Comes from Trepca,Kosovska Mitrovica,Kosovo.

Size:10x10x6.4 mm.

Weight:4.64 ct.

CODE#3765