Arsenopyrite (iridescent) - image 1
Arsenopyrite (iridescent) - image 2
specimen video
Arsenopyrite (iridescent) - image 4

Arsenopyrite (iridescent)

$3,500.00

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3,403 for sale·Member since 2026
In 2019 and into 2020, a few small pockets were discovered in this famous mine, revealing gorgeous multicolored arsenopyrites. Interestingly, we had not seen such crystals since the old days of the late 1990s, when a few came out (one of which I still have). The color is due to an effect like a tarnish, caused by a natural reaction of water and oxygen in the air with the slight impurities in the arsenopyrite, and is quite unusual in the species (although seen infrequently here and in Portugal as well). These particular crystals, from a few small pockets, combine sharp form, electric color palettes, and - critically - fine luster. This is one of the finer examples in the size that I know of, for the condition, shape, and consistency of the coloration. It is a stunning, 3-dimensional full size miniature specimen of competition quality. It is complete all around as I would display it. We personally brought these out of China, and took pride in buying all we could.

Product details

SizeMiniature
Dimensions4.9 x 3.6 x 3.3 cm
Listed on10/23/2024
SKUCH22-25

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Arsenopyrite
Mineral guide
Learn about Arsenopyrite
steel-gray, mirror-bright prismatic crystals; prized for sculptural form and heft, with top localities (Panasqueira, Dalnegorsk, Yaogangxian) in…
Arsenopyrite
Regional guide
Arsenopyrite from Yaogangxian Mine, China
Yaogangxian arsenopyrite is one of the great modern examples of a species that collectors once tended to treat as an accessory. At this Hunan tungsten-tin mine, arsenopyrite can be the star: steel-gray to battleship-gray crystals in sharp prismatic wedges, flattened “diamond” forms, doubly terminated parallel groups, and chunky metallic plates that have the visual weight of ore and the geometry of display-quality crystallization. The best pieces are not merely “arsenopyrite present”; they show crisp, architectural crystals standing on quartz, muscovite, fluorite, or mixed sulfide matrix with enough contrast to read from across a cabinet.