Brochantite - image 1
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Brochantite

$640.00

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Superb thumbnail for the species, emerald green lustrous prismatic crystals of brochantite to 1.0 cm in size coming off matrix. In good condition. The Milpillas Mine, situated in the municipality of Santa Cruz within the prolific Cananea District of Sonora, Mexico, is a major modern copper producer operated by Industrias Peñoles. Although initial exploration began decades earlier, the deposit was discovered beneath deep alluvial gravels and commercial production officially commenced in 2006. Geologically, Milpillas is a supergene-enriched porphyry copper deposit located within a down-dropped Basin and Range graben, where extensive oxidation of primary sulfide ores created rich secondary mineral zones. Mineralogically, the mine achieved legendary status among global collectors for yielding some of the finest secondary copper specimens ever recovered, most notably electric-blue azurite crystals, vibrant malachite pseudomorphs after azurite, and pristine brochantite.

Product details

SpeciesBrochantite
SizeMiniature
Dimensions2.7 x 2.5 x 2.0 cm
Listed on08/18/2026
LocalityMexico, Sonora, Milpillas Mine
SKU9302331
Current owner
WM
Weinrich MineralsFeatured
3,085 for sale·8 sold

Learn more

Brochantite
Mineral guide
Learn about Brochantite
emerald-green prisms and silky sprays of a copper sulfate hydroxide; valued for vivid color, varied crystal habits, and copper-collection appeal.
Brochantite
Regional guide
Brochantite from Milpillas Mine, Mexico
Milpillas Mine, Mexico: emerald-green crystals with chisel terminations; superb display quality, high luster, premier provenance for collectors.
Locality guide
Milpillas Mine
Milpillas Mine, Mexico — defining modern locality famed for electric indigo azurite and sculptural malachite, with rare volborthite, dioptase, and cuprite.