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This dark purple specimen is not terribly impressive indoors with poor lighting. Where it comes into its own is when lit up, as the color is INTENSE! Very clean edges with a few very small cleaves. Looks to me like someone etched off a carbonate so the light would penetrate.

Locality: Cave in Rock, Illinois

Composition: calcium fluoride

Dimensions: 9.6 × 5.5 × 4.8 cm
SKU: Geo-4233 Categories: , , Tags: ,
Dimensions: 9.6 × 5.5 × 4.8 cm