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Deutsche Glaukodot {m} [min.] Synonyme

Englische glaucodot; glaucodote Synonyme

glaucodot Definition

Glaucodot
(n.) A metallic mineral having a grayish tin-white color, and containing cobalt and iron, with sulphur and arsenic.

glaucodot Bedeutung

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Glaucodot is a cobalt iron arsenic sulfide mineral with formula: AsS. The cobalt:iron ratio is typically 3:1 with minor nickel substituting. It forms a series with arsenopyrite . It is an opaque grey to tin-white typically found as massive forms without external crystal form. It crystallizes in the orthorhombic system. The locality at Håkansboda, Sweden has rare twinned dipyramidal crystals . It is brittle with a Mohs hardness of 5 and a specific gravity of 5.95. It occurs in high temperature hydrothermal deposits with pyrrhotite and chalcopyrite. Glaucodot is classed as a sulfide in the arsenopyrite löllingite group.