4-strand torsade of apatite & pearls with fluorite pendant
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| composition | calcium fluoride |
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| name source | from the Latin fluere, meaning "to flow," referring to its being used as flux in the smelting of metallic ores |
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| other accepted names | fluorine, fluorospar (popular in the mining community), "Blue John" or "Derbyshire spar" |
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| historical aliases | "the most colorful mineral in the world," green quartz (misleading), myrrhina (Roman) |
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| folkloric aliases | "the genius stone" |
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| color | many colors but 'hallmark' color is purple |
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| significant sources | China, England, Mexico and many other localities throughout the world |
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| MOH scale | 4 |
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| care and treatment | Clean with warm soapy water and a soft brush. Fluorite's low hardness means it scratches easily. Store away from any objects that might scratch it. |
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