Fluorite. 6mm octahedral purple crystal on calcite collected from the Smith Vein, 1987
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Fluorite. 6mm octahedral purple crystal on calcite collected from the Smith Vein, 1987
6mm octahedral purple crystal on calcite collected from the Smith Vein, 1987. Green centre of the crystal does not show on film. Specimen from Carrock mine, Caldbeck, Cumbria
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Media ID 8582091
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Calcium Circulatory System Crystal Cumbria Fluoride Fluorite Fluorspar Great Britain Halide Halide Mineral Mine Mineral Purple Vein Octahedral
EDITORS COMMENTS
1. Title: "Purple Octahedral Fluorite Crystal from the Smith Vein, Carrock Mine, Cumbria, England, 1987" 2. Description: This photograph showcases a 6mm octahedral purple fluorite crystal extracted from the Smith Vein of the Carrock Mine, located in the picturesque region of Cumbria, England, in 1987. The crystal's mesmerizing purple hue is a result of the presence of fluoride ions, making it a stunning example of this halide mineral. 3. Background: Fluorite is a common mineral found in various parts of the world, including Europe. It is characterized by its vibrant colors and distinct crystal shapes. The crystal in this image was discovered in the Smith Vein of the Carrock Mine, which is renowned for its rich deposits of fluorite and other minerals. 4. Anatomy of the Crystal: The octahedral shape of this fluorite crystal is a result of its crystal structure, which consists of alternating layers of calcium fluoride arranged in a cubic symmetry. The purple coloration is due to the presence of impurities, primarily iron and other trace elements. The green center of the crystal, although not visible in the photograph, is a result of the presence of calcium and manganese. 5. Historical Significance: Fluorite has been known since ancient times and was once used as a decorative stone. It was also used in the production of glass and as a source of fluorine, which is an essential element for various industrial applications. Today, fluorite is primarily used in the production of hydrofluoric acid and other fluorine compounds. 6. Conservation: The Carrock Mine, where this crystal was found, has been closed since the late 1990s. The preservation of such mineral specimens is crucial for scientific research and educational purposes. This photograph serves as a testament to the beauty and significance of fluorite crystals and the importance of preserving natural mineral deposits.
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