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Aragonite : CaCO3, Fluorite : CaF2 | |
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Heights Quarry, Westgate, Weardale, North Pennines, Co. Durham, England, UK Field of view 40mm. |
| © HW | Photo ID: 17706 View Count: 445 |
Aragonite : CaCO3, Fluorite : CaF2 | |
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Heights Quarry, Westgate, Weardale, North Pennines, Co. Durham, England, UK Fluorite, originally blueish but altered to pink on exposure to sunlight. Specimen 55mm long. |
| © HW | Photo ID: 17994 View Count: 342 |
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