Chemical Formula: CuBiS2
Locality: Czechoslovakia at Schlaggenwald, Bohemia.
Name Origin: From the Greek emplektos, “interwoven.”
Physical Properties
Cleavage: {001} Perfect
Color: Gray, Grayish yellow, Silver white, Tin white.
Density: 6.3 – 6.5, Average = 6.4
Diaphaneity: Opaque
Fracture: Brittle – Generally displayed by glasses and most non-metallic minerals.
Hardness: 2 – Gypsum
Luminescence: Non-fluorescent.
Luster: Metallic
Magnetism: Nonmagnetic
Streak: black
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