Dessauite

General Information:
 Chemical Formula:
(Sr,Pb)(Y,U)(Ti,Fe+++)20O38
 Environment:
In calcite veins within dolomite. A member of the Crichtonite group.
 IMA Status:
Approved IMA (Dana # Added)
 Locality:
The Buca della Vena mine, Apuan Alps, near the town of Stazzema, northern Tuscany, Italy.
 Name Origin:
For Gabor Dessau (1907-1983), professor of ore mineralogy at the University of Pisa, Italy.
Physical Properties:
 Cleavage:
None
 Color:
black.
 Density:
4.68
 Diaphaniety:
Opaque
 Habits:
Tabular - Form dimensions are thin in one direction., ,
 Hardness:
6.5-7 - Pyrite-Quartz
 Luster:
Metallic
 Streak:
black
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