Aurichalcite

Aurichalcite specimens for sale

36 for sale · $290–$7,500 USD

235 in the gallery

Aurichalcite is a carbonate hydroxy mineral that forms as fibrous to tabular aggregates, often displaying a pale blue to blue-green color and a silky to vitreous luster. It commonly occurs in oxidized zinc and copper ore deposits, associated with minerals such as smithsonite, hemimorphite, and malachite, and it can form delicate, radiating crystals or crusts on matrix. Localities with notable crystallization include parts of Mexico and the United States, where vug fillings and pocket specimens reveal its characteristic slender, needlelike or acicular habits and soft, pastel hues.

Formula
(Zn,Cu)5(CO3)2(OH)6
Rarity
Common
Stability
Moderately Stable
Collector interest
Moderate Interest
Classification notes
Carbonate mineral; carbonate-hydroxy with copper and zinc (IMA, Strunz 5.BA)

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Where Aurichalcite is found

About Aurichalcite

Collectors prize aurichalcite for the subtle color and textures it presents in mineral suites, as well as its association with copper and zinc oxide environments. Specimens from classic Mexican and North American localities tend to be more vividly colored and well-formed, making them sought after for display and cabinet collections. While relatively common in some oxidized zones, high-quality, well-crystallized pieces remain desirable for their aesthetic balance of color, sheen, and form.