Beautiful Atacamite with Libethenite Crystals

Atacamite

Formulation: Cu2(OH)threeCl
System: Orthorhombic
Color: Brilliant inexperienced, darkish …
Lustre: Adamantine, Vitreous
Hardness: three – 3½

Libethenite

Components: Cu2(POfour)(OH)
System: Orthorhombic
Color: Mild to darkish inexperienced, …
Lustre: Sub-Vitreous, Resinous, Waxy, Greasy
Hardness: four

Photograph by: © Tóth László


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