| General Information |
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| Chemical Formula | Michael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Physical Properties of Mimetite |
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| Mohs Hardness | 3.5Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Specific Gravity | 7.10Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Cleavage Quality | ImperfectArthur Thomas, Gemstones (2009) |
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| Fracture | Sub-ConchoidalArthur Thomas, Gemstones (2009) |
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| Optical Properties of Mimetite |
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| Refractive Index | 2.106 to 2.263Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Optical Character | Uniaxial/-Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Birefringence | 0.018 to 0.024Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Colour |
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| Colour (General) | Orange, yellowish-orange, brownishUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Transparency | Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Lustre | Subadamantine,ResinousMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Crystallography of Mimetite |
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| Crystal System | HexagonalUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Habit | PrismaticMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Geological Environment |
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| Where found: | Mimetite occurs as a secondary mineral in the oxidized zone of arsenicbearing lead deposits.Michael O’Donoghue, Gems, Sixth Edition (2006) |
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| Further Information |
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| Mineral information: | Mimetite information at mindat.org |
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| Significant Gem Localities |
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| Namibia | | |
| Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 430 |
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