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Hidalgoite with cuprian Adamite

#38393

Hidalgoite with cuprian Adamite

#38393
Availability
Sold
Size
2.5 x 2.5 x 1 cm - Thumbnail 
Formula
PbAl3(SO4)(AsO4)(OH)6 (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia
Tagged
arsenate

Lime green very fine micro Hidalgoite crystals lining the many vugs of this specimen with dark green crystals of cuprian Adamite to 1mm. Hidalgoite from Tsumeb represents some of the best in the world.

Hidalgoite

Formula
PbAl3(SO4)(AsO4)(OH)6 
Crystal System
Trigonal 
Cleavage
None, None, None 
Luster
Earthy (Dull) 
Color
gray white, white, light green, light gray 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Dr. Georg Gebhard collection

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