| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite, Siderite, Ankerite |
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| DESCRIPTION: | No. 76693 |
| Mineral: | Fluorite, Siderite, Ankerite |
| Locality: | Boltsburn Mine, Rookhope, County Durham, England |
| Description: | Double-sided plate of lustrous transparent yellow-gray cubic fluorite crystals to 18 mm with translucent tan ankerite crystals to 3 mm. The fluorite crystals on one face are completely coated with translucent brown rhombic siderite crystals to 1 mm. Collected ca. 1900. The fluorite fluoresces bright violet under longwave UV illumination |
| Overall Size: | 8x5.5x4 cm |
| Crystals: | 1-18 mm |
| Archived: | For reference only |
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