Bornite - image 1
Bornite - image 2
specimen video

Bornite

$600.00

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Crystal Classics
Crystal ClassicsFeatured
Tucson, Arizona, USA
7,543 for sale·132 sold
A huge bornite crystal from Dzhezkazgan, this crystal is nearly 3cm across which is giant for the species. The crystal faces are fairly sharp and there is a pleasing silvery grey patina (Rare!).

Product details

Species
BorniteAbout Bornite →
SizeMiniature
Dimensions2.8 x 2.8 x 2.2 cm
Listed on10/24/2024
Locality
Kazakhstan, Karaganda Region, Dzhezkazgan mining districtRegional guide →
SKUCC19644

Learn more

Mineral guide
Learn about Bornite
vivid iridescent tarnish, metallic luster, and rare sharp crystals; formed in diverse deposits and prized by collectors for color, rarity, and histor…
Bornite
Regional guide
Bornite from Dzhezkazgan mining district, Kazakhstan
Dzhezkazgan is the bornite locality serious collectors use as a benchmark. Bornite is not an exotic species in ore deposits, but sharp, lustrous, free-standing bornite crystals of display quality are uncommon worldwide; Dzhezkazgan is one of the few places where the species came out as recognizable crystals rather than merely as metallic ore. The classic look is a dark, metallic, blue-black to black crystal—often with subtle violet, indigo, silver, or bronze tarnish—set against pale quartz, calcite, or bladed baryte. The contrast is part of the magic: a dense copper-iron sulfide with a dark velvet-metal surface perched on a light, sparkling gangue.