General Information |
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Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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Physical Properties of Fluor-buergerite |
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Mohs Hardness | 7Anthony et al, Handbook of mineralogy (2001) |
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Specific Gravity | 3.31Anthony et al, Handbook of mineralogy (2001) |
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Tenacity | BrittleAnthony et al, Handbook of mineralogy (2001) |
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Cleavage Quality | DistinctAnthony et al, Handbook of mineralogy (2001) |
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Optical Properties of Fluor-buergerite |
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Optical Character | Uniaxial/-Anthony et al, Handbook of mineralogy (2001) |
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Pleochroism | Yellow-brown - very pale yellowAnthony et al, Handbook of mineralogy (2001) |
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Colour |
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Colour (General) | Dark brown to almost black with a bronze schillerAnthony et al, Handbook of mineralogy (2001) |
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Transparency | TranslucentAnthony et al, Handbook of mineralogy (2001) |
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Lustre | VitreousAnthony et al, Handbook of mineralogy (2001) |
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Crystallography of Fluor-buergerite |
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Crystal System | HexagonalAnthony et al, Handbook of mineralogy (2001) |
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Habit | Crystals short to long prismatic, in divergent sprays, segmented, up to 4 cmAnthony et al, Handbook of mineralogy (2001) |
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Geological Environment |
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Where found: | Of probable pneumatolytic origin, in cavities in a rhyolite.Anthony et al, Handbook of mineralogy (2001) |
Further Information |
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Mineral information: | Fluor-buergerite information at mindat.org |
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Significant Gem Localities |
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