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Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

 
Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

DESCRIPTION:No. 38239
Mineral:Sphalerite (Spinel-law twinned crystals)
Locality:Eagle Mine, Gilman District, Eagle County, Colorado
Description:Lustrous black sphalerite crystals on pyrite and sphalerite matrix. The sphalerite crystals all Spinel-law twinned crystals (twinned on the {111} plane), resulting in triangular appearance with beveled edges. Ex. Don Belsher collection
Overall Size:7x4x4 cm
Crystals:5-15 mm
Status: Sold - Posted here for reference only
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