Oldhamite

Oldhamite is a calcium magnesium sulfide mineral with formula (Ca, Mg)S. Ferrous iron may also be present in the mineral resulting in the formula: (Ca,Mg,Fe)S. It is a pale to dark brown accessory mineral in meteorites. It crystallizes in the cubic crystal system, but typically occurs as anhedral grains between other minerals. ==Discovery and occu...
Found on http://en.wikipedia.org/wiki/Oldhamite

oldhamite

(from the article `meteorite`) ...from parent bodies that formed under highly chemically reducing conditions. As a result, they contain elements in the form of less-common ...
Found on http://www.britannica.com/eb/a-z/o/14

Oldhamite

Calcium sulfide
Found on http://www.translationdirectory.com/glossaries/glossary075.htm
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