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Sphalerite on Quartz from Alston Moor, West Cumberland Iron Mining District, Cumbria, England

 
Sphalerite on Quartz from Alston Moor, West Cumberland Iron Mining District, Cumbria, England

Sphalerite on Quartz from Alston Moor, West Cumberland Iron Mining District, Cumbria, England

DESCRIPTION:No. 61653
Mineral:Sphalerite on Quartz
Locality:Alston Moor, West Cumberland Iron Mining District, Cumbria, England
Description:Lustrous transparent brown-black sphalerite crystals covering the front face gray-brown matrix with colorless quartz microcrystals. The sphalerite crystals are complex form, caused by Spinel-law twinning, with microscopic crystallization patterns. From a private collection donated to Manhattanville College ca. 1910.
Overall Size:13x9x3 cm
Crystals:0.5-6.0 mm
Status: Sold - Posted here for reference only
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