Metacinnabar definitions

Metacinnabar

1) Cubic mineral
Found on https://www.crosswordclues.com/clue/metacinnabar

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metacinnabar

a mercury sulfide mineral that has the same chemical composition as cinnabar (HgS). Typical specimens have been obtained from Italy, Romania, and ...
Found on http://www.britannica.com/eb/a-z/m/78

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