Tongren Mine, Tongren Co., Tongren, Guizhou, China
HgS
Crystal System: trigonal
Colour: tint or shade of red, cochineal red or brownish red
Lustre: metallic
Habitus: rhombohedral or tabular
Fracture: irregular/uneven, sub-conchoidal
Cleavage: perfect {10-10}
Hardness: 2 - 2½
Density: 8.20 g/cm3
Origin and geological occurrence: in hydrothermal veins
Samples:
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2.6 Cinnabar #sulfides |
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2.20 Cinnabar #economic minerals |