Chrysocolla

Chrysocolla is a blue-green copper phyllosilicate. Noted for its teal color, the mineral has been used as a gemstone and replacement for turquiose.

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Properties

Mineral Class

Silicates

Luster

Greasy, Waxy, Dull

Chemical Formula

(Cu,Al)2H2Si2O5(OH)4•n(H2O)

Streak

Light Green

Uses & Applications

Chrysocolla is primarily used as a collectible mineral or decorative stone. The mineral has also been used to produce jewelry pendants and facets. Due to its relatively similar appearance, Chrysocolla has been used as a substitute for the more rare Turquoise.

Associated Minerals

Atacamite
Azurite
Malachite
Quartz
Calcite
Cuprite
Dioptase
Wulfenite
Tenorite

Notable Localities

Chrysocolla is found abundantly in many copper mines. Stalactites of Chrysocolla have been recovered from the Ray Mine of Arizona, while botryoidal Chrysocolla has been found in Chile. Recently, new specimens of psuedomorphic and banded chrysocolla have been recovered in association with Malachite and Azurite at localities in the D.R.C.

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