| General Information |
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| Other Names/Trade Names: | |
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| Chemical Formula | Michael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Physical Properties of Variscite |
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| Mohs Hardness | 4 to 5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Specific Gravity | 2.40 to 2.60Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Cleavage Quality | GoodAnthony et al, Handbook of mineralogy (2001) |
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| Fracture | UnevenArthur Thomas, Gemstones (2009) More from other references |
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| Optical Properties of Variscite |
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| Refractive Index | 1.563 to 1.594Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Optical Character | Biaxial/-Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Birefringence | 0.031Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Dispersion | PerceptibleAnthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | Green, yellow-green, green-blueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Colour (Chelsea Filter) | Pinkish to redHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Causes of Colour | Green, Cr3+ presumably in octahedral coordinationW. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011) |
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| Transparency | Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Lustre | WaxyMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Fluorescence & other light emissions |
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| Fluorescence (Short Wave UV) | Inert to greenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Fluorescence (Long-Wave UV) | Inert to whitish greenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Crystallography of Variscite |
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| Crystal System | OrthorhombicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
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| Habit | MassiveMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Geological Environment |
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| Where found: | Variscite is typically deposited from phosphate-bearing waters in contact with aluminous rocks.Michael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Further Information |
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| Mineral information: | Variscite information at mindat.org |
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| Significant Gem Localities |
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| Brazil | | |
| Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 462 | | USA | | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 462 |
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