General Information:
Chemical Formula:Ag2Se
Composition:(Molecular Weight = 294.70 gm)Silver 73.21 %
AgSelenium 26.79 %
Se Empirical Formula: Ag2Se
Locality:DE LAMAR
Physical Properties: Cleavage:[???] Perfect, [???] Perfect, Perfect
Color:grayish black or iron black.
Density:6.5 - 8, Average = 7.25
Diaphaniety:Opaque
Habits:Massive - Uniformly indistinguishable crystals forming large masses., ,
Hardness:2.5 - Finger Nail
Luminescence:Non-fluorescent.
Luster:Metallic
Streak:black
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