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Comments: Red single hexagonal (Trigonal) crystal of cinnabar on dolomite.
Location: Fenghuang, Hunan Province, Peoples Republic of China.
Scale: Crystal size 1 cm.
© Dave Barthelmy
Cinnabar: HgS Edoylerite: Hg++3Cr++++++O4S2
Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA.
Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag