Violarite definitions

Violarite

1) Nickel mineral
Found on https://www.crosswordclues.com/clue/violarite

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Violarite

Violarite (Fe2+Ni23+S4) is a supergene sulfide mineral associated with the weathering and oxidation of primary pentlandite nickel sulfide ore minerals. Violarite crystallises in the isometric system, with a hardness of 4.5 to 5.5 and a specific gravity of about 4, is dark violet grey to copper-red, often with verdigris and patina from associated c...
Found on http://en.wikipedia.org/wiki/Violarite

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Violarite

A common sulphide ore of nickel, (Fe,Ni)3S4.
Found on http://www.australian-shares.com/glossary-of-terms.php.html

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