Fluorite
3
Blue fluorite crystals with yellow cores, 23.4 cm, from the Minerva No. 1 mine, Hardin County, Illinois. Ex collections of Hubert de Monmonier (1917–2007) and the University of Arizona Mineral Museum; László Kupi photo.
Product details
Species
SizeLarge Cabinet
Dimensions23.4 cm
Added on03/26/2026
Locality
Publications
- Mineralogical Record The Kevin Brown Collection page 116
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | University of Arizona Mineral Museum | Not disclosed |
| — | Hubert de Monmonier | Not disclosed |
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Mineral guide
Learn about Fluorite
calcium fluoride with a dazzling color range, cubic and octahedral crystals, and UV fluorescence; prized by collectors for Blue John banding.Regional guide

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