General Information:
Chemical Formula:
Bi2O(OH)(VO4)
Composition:
(Molecular Weight = 565.91 gm)
Vanadium 9.00 % V
Bismuth 73.86 % Bi
Hydrogen 0.18 % H
Oxygen 16.96 % O
Empirical Formula:
Bi2O(OH)(VO4)
Environment:
In minute cavities in gniess quarried for road-building material. The vanadium-dominant analog of atelestite and, probably, smrkovecite.
IMA Status:
Approved IMA (Dana # Added)
Locality:
Hechtsberg quarry at Hausach, Black Forest, Germany.
Name Origin:
Named after the locality.
Physical Properties:
Cleavage:
None
Color:
brown.
Density:
6.87
Diaphaniety:
Transparent to translucent
Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., ,
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Streak:
yellow
More details...