| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (interpenetrant-twinned crystals) |
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| DESCRIPTION: | No. 58271 |
| Mineral: | Fluorite (interpenetrant-twinned crystals) |
| Locality: | Billing Hills Mine, Eastgate, Weardale, County Durham, England |
| Description: | Lustrous transparent yellow cubic fluorite crystals that are interpenetrant-twinned. The fluorite crystals have subtle crystallization patterns on the surfaces that give them slightly silky luster. The fluorite fluoresces violet under SW UV illumination. |
| Overall Size: | 8x7x4.5 cm |
| Crystals: | 5-17 mm |
| Archived: | For reference only |
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