General Information:
Chemical Formula:
PbGa3[(AsO4),(SO4)]2(OH)6
Environment:
A secondary mineral.
IMA Status:
Approved IMA (Dana # Added)
Locality:
Tsumeb, Namibia.
Name Origin:
For the relationship to beudantite.
Physical Properties:
Cleavage:
[001] Indistinct
Color:
pale yellow, slightly greenish yellow, or cream.
Density:
4.58
Diaphaniety:
Transparent
Habits:
Disseminated - Occurs in small, distinct particles dispersed in matrix., ,
Hardness:
4 - Fluorite
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Adamantine
Streak:
pale yellowish white
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