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0 item @ $0.00  

Chalcophyllite with Brochantite & Malachite

#50148

Chalcophyllite with Brochantite & Malachite

#50148
Availability
Sold
Size
7.5 x 5 x 7 cm - Sm Cabinet 
Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2O (RRUFF)
Locality
Majuba Hill mine, Pershing Co., Nevada, United States
Tagged
arsenate , copper

1-2mm blue, thin tabular and hexagonal Chalcophyllite crystals with Malachite, Chrysocolla, and others.

Chalcophyllite

Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2
Crystal System
Trigonal 
Crystal Habit
Platy, Tabular, Massive - Lamellar 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
emerald green, bluish green, grass green 
Streak
pale green 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

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