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Chalcophyllite with Tyrolite

#JD64946
SOLD
Chalcophyllite from Majuba Hill mine, Pershing Co., Nevada, United States - JD64946
Chalcophyllite from Majuba Hill mine, Pershing Co., Nevada, United States - JD64946

Chalcophyllite with Tyrolite

#JD64946
Availability
Sold
Size
6 x 3.5 x 2.5 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

Green flashy crystal plates to 3mm across.

Chalcophyllite

Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2O 
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
2 

Data courtesy of Webmineral.

Collection
John Dagenais Collection
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