General Information:
Chemical Formula:
(Cu,Ag)14HgS8
Composition:
(Molecular Weight = 1,524.05 gm)
Copper 41.70 % Cu
Silver 28.31 % Ag
Mercury 13.16 % Hg
Sulfur 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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