glaucodot


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glaucodot

[′glȯ·kə‚dät]
(mineralogy)
(Co,Fe)AsS A grayish-white, metallic-looking mineral composed of cobalt iron sulfarsenide, occurring in orthorhombic crystals.
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2) Glaucodot (Co,Fe)AsS * (2) Godlevskite (Ni,Fe)[.
In addit ion there were Scandinavian classics like loose, sharp 2-cm pyritohedrons of cobaltite and sharp, lustrous pseudo-octahedrons of glaucodot from Sweden; well crystallized leucophanite, columbite and thortveitite from Norway; and richly brownish red, euhedral crystals of eudialyte to 2 cm in complex ultra-alkaline matrix, not from the Kola Peninsula, Russia, but from 19th-century localities in Greenland.
Glaucodot was identified by Excalibur Mineral Company (on behalf of Dan Behnke) during routine analytical work.