AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arizona > Copper (Spinel Law twinned crystals)

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Copper (Spinel Law twinned crystals) from Ray Mine, Mineral Creek District, Pinal County, Arizona

 
Copper (Spinel Law twinned crystals) from Ray Mine, Mineral Creek District, Pinal County, Arizona

DESCRIPTION:No. 61189
Mineral:Copper (Spinel Law twinned crystals)
Locality:Ray Mine, Mineral Creek District, Pinal County, Arizona
Description:Diamond-shaped formation of thin native copper crystals with no matrix attached. The copper crystals unique shape is due to twinning on the {111} plane following the Spinel Law of isometric twinning.
Overall Size:25x9x6 mm
Crystals:0.2-15.0 mm
Status: Sold - Posted here for reference only
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