Chrysocolla
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Chrysocolla for sale: a beautiful green, blue, or blue-green mineral. The chemical formula is hydrated copper silicate, (Cu,Al)2H2Si2O5(OH)4nH2O. It gets its name from the Greek chrysos, meaning "gold", and kolla, "glue", in allusion to the name of the material used to solder gold. It is secondary in occurance and comes from the oxidation zone of copper ores. Pure Chrysocolla is soft only a 2.5-3.5 on the mohs scale but when it becomes agatized it can be made into exquisite jewelry..
Mineral Properties of Chrysocolla
Chemical formula: ( Cu,Al) 2 H 2 Si 2 O 5 (OH) 4 . nH 2 O.
Color(s): Many shades of Blue and green
Streak: white
Luster: vitreous
Transparency: translucent to opaque
Crystal system: monoclinic
Specific Gravity: 2.0-2.4
Hardness (Mohs): 2.5-7
Cleavage: none
Fracture: conchoidal to uneven
Uses: jewelry
Location: Bacan Islands, Indonesia, Israel, Democratic Republic of Congo, Chile, Cornwall in England, and in the United States, Arizona, Utah, Idaho, Colorado, New Mexico, Michigan, and Pennsylvania.
