Biehlite definitions

Biehlite

1) Monoclinic mineral
Found on https://www.crosswordclues.com/clue/biehlite

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Biehlite

Biehlite is an exceptionally rare mineral, an antimony arsenic bearing molybdate with formula [(Sb,As)O]2MoO4. It comes from Tsumeb. ...
Found on http://en.wikipedia.org/wiki/Biehlite

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