To use all functions of this page, please activate cookies in your browser.
With an accout for my.chemeurope.com you can always see everything at a glance – and you can configure your own website and individual newsletter.
- My watch list
- My saved searches
- My saved topics
- My newsletter
Cobaltite is a sulfosalt mineral composed of cobalt, arsenic and sulfur, CoAsS. It contains up to 10 percent iron and variable amounts of nickel. Structuraly it resembles pyrite (FeS2) with one of the sulfur atoms replaced by an arsenic atom.
Additional recommended knowledge
Although rare it is mined as a significant source of the strategically important metal cobalt. Secondary weathering incrustations of erythrite, hydrated cobalt arsenate, are common.
The name is from the German, Kobold, "underground spirit" in allusion to the refusal of cobaltiferous ores to smelt properly.
It occurs in high temperature hydrothermal deposits and contact metamorphic rocks. It occurs in association with magnetite, sphalerite, chalcopyrite, skutterudite, allanite, zoisite, scapolite, titanite, calcite along with numerous other Co–Ni sulfides and arsenides. It was described as early as 1832 and its type locality is Cobalt, Ontario.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cobaltite". A list of authors is available in Wikipedia.|