General Information:
Chemical Formula:(Cu,Ag)14HgS8
Composition:(Molecular Weight = 1,524.05 gm)Copper 41.70 %
CuSilver 28.31 %
AgMercury 13.16 %
HgSulfur 16.83 %
S Empirical Formula: Cu10Ag4HgS8
IMA Status:Approved IMA
Locality:Coppin Pool, WA, Australia.
Name Origin:Named for John L. Daniels (1931-), who collected the mineral.
Physical Properties: Color:gray or steel gray.
Diaphaniety:Opaque
Habits:Microscopic Crystals - Crystals visible only with microscopes., ,
Hardness:2-2.5 - Gypsum-Finger Nail
Luster:Metallic
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