Stannoidite definitions

Stannoidite

1) Sulfide mineral
Found on https://www.crosswordclues.com/clue/stannoidite

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Stannoidite

Stannoidite was first described in 1969 for an occurrence in the Konjo mine, Okayama prefecture, Honshu Island, Japan. ...
Found on http://en.wikipedia.org/wiki/Stannoidite

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