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Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK Fluorite from the Rogerley Mine, Weardale, Co. Durham, England. A gemmy, well-formed penetration twinned crystal, 3 cm on edge, surrounded by smaller fluorite crystals, on limestone matrix. Collected from the Black Sheep pocket, summer 2000. |
| © 2002, Jesse Fisher | Photo ID: 3720 View Count: 562 |
Fluorite : CaF2, Galena : PbS | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK Twinned fluorite crystals up to 2 cm in size from the Rogerley Mine. Specimen was recovered in August, 2001. Jesse Fisher specimen and photo. |
| © Jesse Fisher, 2001 | Photo ID: 2266 View Count: 11613 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK 6 x 4 cm cluster of glassy emerald green fluorite crystals to 2.1 cm across. The large crystals are fairly gemmy with transparent sections. |
| © 1995-2001 Trinity Mineral Co. | Photo ID: 1458 View Count: 463 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK Fluorite from the Rogerley Mine, Weardale, Co. Durham, England. Penetration twinned green fluorite crystals up to 1.5 cm showing surficial growth patterns typical of fluorite from the mine. |
| © 2002, Jesse Fisher | Photo ID: 3719 View Count: 513 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK 9 x 9.5 x 4.3 cm Unbelievable clear interpenetration twinned crystal of fluorite to 1.7 cm across. This is one of the finest crystals ever found at the Rogerely Mine in terms of clarity and luster. If you are looking for that perfect crystal from this mine. You can stop looking right here. The rest of the specimen is covered with abundant ... |
| © 1995-2001 Trinity Mineral Co. | Photo ID: 1450 View Count: 600 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK 5.7 x 3.7 x 3.5 cm Several interpenetration twins are found on this specimen up to 1.4 cm across. If you are wondering what gem fluorite is this specimen provides an outstanding definition. |
| © 1995-2001 Trinity Mineral Co. | Photo ID: 1454 View Count: 525 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK Flat matrix of limonitic limestone is covered with a ridge of larger twinned fluorites grading to smaller at the edge of the specimen. The largest twin is 2.2cm across its widest point. The fluorite is a stunning bright gem emerald green with a vivid blue reaction to daylight. |
| © 2002 Thames Valley Minerals | Photo ID: 5285 View Count: 335 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK 8.8 x 4.2 x 3.5 cm Gemmy and glassy crystals to 1.4 cm across are situated on this specimen of siliceous limetsone. |
| © 1995-2001 Trinity Mineral Co. | Photo ID: 1456 View Count: 394 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK Field of view 22 mm. Collection M. Kampf No 05-183. |
| © 2005 M. Kampf | Photo ID: 40577 View Count: 309 |
Fluorite : CaF2 | |
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Rogerley Mine, Frosterley, Weardale, North Pennines, Co. Durham, England, UK A gemmy deep emerald green twinned crystal of fluorite. The colour intensity and clarity is first rate as is the surface lustre and sheen. The fotos have been taken in diffuse daylight to show the intense LW UV reaction and green to blue colour change. |
| © 2002 Thames Valley Minerals | Photo ID: 5281 View Count: 288 |
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