Fluorite (twinned) with Calcite
Unknown Owner
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This is another uncommon penetration twinned crystal from Illinois. It is lustrous and very slightly translucent with a vibrant, deep purple color. Gemmy colorless calcite crystals preferentially cover certain faces of the fluorite crystals which reach 4 cm across. Mined in July 1993 from the northern extension of the Bahama ore body. Ex. Ross Lillie collection RCL# 0462. Unusually dramatic!
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Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.Regional guide
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