General Information |
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A variety or type of: | Pyrope, which is a variety of Garnet Group |
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Chemical Formula | Gemdat.org, Management Team (2012) |
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Physical Properties of Chrome Pyrope |
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Mohs Hardness | 7 to 7.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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Specific Gravity | 3.62 to 3.80Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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Tenacity | BrittleAnthony et al, Handbook of mineralogy (2001) |
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Cleavage Quality | NoneArthur Thomas, Gemstones (2009) |
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Fracture | ConchoidalArthur Thomas, Gemstones (2009) |
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Optical Properties of Chrome Pyrope |
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Refractive Index | 1.720 to 1.740Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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Optical Character | IsotropicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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Colour |
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Colour (General) | VioletGemdat.org, Management Team (2012) |
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Transparency | TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Lustre | VitreousArthur Thomas, Gemstones (2009) |
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Crystallography of Chrome Pyrope |
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Crystal System | IsometricHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
Further Information |
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Mineral information: | Chrome Pyrope information at mindat.org |
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