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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