Copper

Unknown Owner
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An aesthetic cluster of large extremely well formed multi-faceted fine-edged copper crystals, including one with at least three shallow pyramidal tetragonal faces and another up to 27mm long; white calcite crystals are intermixed, with some calcites included by copper! From the collection of famed mineralogist / physicist, Edward Dana (Textbook of Mineralogy (1877))

Product details

SizeSmall Cabinet
Dimensions3.9 x 8.0 x 8.2 cm
Added on07/16/2026

Known provenance

DateCollectorAcquisition price
07/2026Unknown OwnerNot disclosed
Collector’s EdgeNot disclosed

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Copper
Mineral guide
Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.
Copper
Regional guide
Copper from Keweenaw Peninsula, Michigan, USA
Keweenaw Peninsula copper - classic native copper from Michigan, famed for wiry arborescent sprays, sharp crystal faces, and historic mines prized by collector…