AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper var. Spinel-law Twin Crystals

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Copper var. Spinel-law Twin Crystals from Keweenaw Peninsula Copper District, Michigan

 
Copper var. Spinel-law Twin Crystals from Keweenaw Peninsula Copper District, Michigan

Copper var. Spinel-law Twin Crystals from Keweenaw Peninsula Copper District, Michigan

Copper var. Spinel-law Twin Crystals from Keweenaw Peninsula Copper District, Michigan

Copper var. Spinel-law Twin Crystals from Keweenaw Peninsula Copper District, Michigan

DESCRIPTION:No. 30137
Mineral:Copper var. Spinel-law Twin Crystals
Locality:Keweenaw Peninsula Copper District, Michigan
Description:Elongated specimen of sharp, well defined copper crystals. Many of the crystals exhibit twinning on the (111) plane following the Spinel-law and resulting in complex crystal form. Remnants of old museum number are visible on one side.
Overall Size:55x15x12 mm
Crystals:2-12 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from Midwest, USA > Crystallized Copper

 

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