Aurichalcite

Aurichalcite is a secondary mineral typically occurring in the oxidized zone of Copper and Zinc deposits. It has a distinctive pastel color palette of light blue, sky blue, blue-green and pale green, and is often associated with Hemimorphite, Calcite, Malachite, Quartz and Smithsonite. Occurring too sparingly to be considered an ore, and too soft to be utilized in the gem/jewelry trade, this mineral with its aesthetic colors and crystal formations is very popular with collectors. 

The crystal system for Aurichalcite is monoclinic, typically found as blue or blue-green crusts or mats of miniature acicular crystals, tufted divergent sprays, spherical aggregates, featherlike and velvety druzes, and rarely as columnar aggregates.

Aurichalcite is found in limited localities, including England, France, Germany, Greece, Italy, Mexico and the USA (Arizona).

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