Makovickyite

General Information:
 Chemical Formula:
Ag1.5Bi5.5S9
 Composition:
(Molecular Weight = 1,599.79 gm)
Silver 10.11 % Ag
Bismuth 71.85 % Bi
Sulfur 18.04 % S 
 Empirical Formula:
Ag1.5Bi5.5S9
 Environment:
Found in a dolomite skarn.
 IMA Status:
Approved IMA
 Locality:
Baita Bihourului (formerly Rezbanya), Romaina and Felbertal, Austria.
 Name Origin:
For Dr. Emil Makovicky, Slovak and Danish mineralogist, University of Copenhagen.
Physical Properties:
 Cleavage:
None
 Color:
gray.
 Density:
6.7
 Diaphaniety:
Opaque
 Habits:
Compact - Occurs as a compact mass., Granular - Generally occurs as anhedral to subhedral crystals in matrix.,
 Hardness:
3.5 - Copper Penny
 Luster:
Metallic
 Streak:
gray
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