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Chalcophyllite

#BN54229
SOLD
Chalcophyllite from El Teniente, Rancagua, Cachapoal, Chile - BN54229
Chalcophyllite from El Teniente, Rancagua, Cachapoal, Chile - BN54229

Chalcophyllite

#BN54229
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 
Formula
Cu18Al2(AsO4)4(SO4)3(OH)24·36H2O (RRUFF)
Locality
El Teniente, Rancagua, Cachapoal, Chile
Tagged
arsenate , copper

Thumbnail of micro, less than 0.75mm Chalcophyllite crystals.

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.

Collection
Dr. Buford Nichols Collection

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