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Herbertsmithite

#59190
SOLD
Herbertsmithite from San Francisco mine, Sierra Gorda dist., Antofagasta, Chile - 59190
Herbertsmithite from San Francisco mine, Sierra Gorda dist., Antofagasta, Chile - 59190

Herbertsmithite

#59190
Availability
Sold
Size
2.5 x 1.5 x 1 cm - Thumbnail 
Formula
Cu3Zn(OH)6Cl2 (RRUFF)
Locality
San Francisco mine, Sierra Gorda dist., Antofagasta, Chile
Tagged
copper

Small 1mm dark green crystals. Hebertsmithite is a member of the Atacamite group and is the zinc analogue of Gillardite.

Herbertsmithite

Formula
Cu3Zn(OH)6Cl2 
Crystal System
Trigonal 
Crystal Habit
Aggregates, Rhombohedral Crystals 
Cleavage
Good, None, None 
Luster
Vitreous - Adamantine 
Color
dark green, blue green 
Streak
green 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness
3-3.5 

Data courtesy of Webmineral.

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