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Arsenopyrite

Unknown Owner
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Very sharp grouping of elegant Arsenopyrite crystals, the largest reaching 2.3 cm. The luster is superb, so much so that this was very difficult to shoot, the surfaces were so bright. What really makes this for me, though, is the repeated stepped growth patterns that creates such aesthetic surfaces along the sides and termination of the crystals.

Product details

SizeSmall Cabinet
Dimensions6.0 x 3.3 x 3.0 cm
Added on10/23/2024

Known provenance

DateCollectorAcquisition price
08/2024Unknown OwnerNot disclosed
The ArkenstoneNot disclosed

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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.