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Template:POTD/2010-08-28

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Cinnabar on dolomite
A specimen of cinnabar, the common ore of mercury, atop a larger sample of dolomite. Cinnabar is generally found in a massive, granular or earthy form and is bright scarlet to brick-red in color. It generally occurs as a vein-filling mineral associated with recent volcanic activity and alkaline hot springs.Photo: Noodle snacks