| General Information |
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| Chemical Formula | Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Physical Properties of Zektzerite |
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| Mohs Hardness | 6Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Specific Gravity | 2.79Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Cleavage Quality | PerfectUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Optical Properties of Zektzerite |
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| Refractive Index | 1.582 to 1.585Ulrich 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 | 0.003Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Dispersion | Very weakAnthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | Colourless, pinkUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Transparency | Transparent,TranslucentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Lustre | Vitreous,PearlyAnthony et al, Handbook of mineralogy (2001) |
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| Fluorescence & other light emissions |
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| Fluorescence (Short Wave UV) | There may be a light yellow fluorescenceMichael O’Donoghue, Gems, Sixth Edition (2006) |
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| Crystallography of Zektzerite |
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| Crystal System | OrthorhombicUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
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| Habit | Stout pseudohexagonal prismsMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Geological Environment |
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| Where found: | Zektzerite occurs in a small number of miarolitic cavities in a riebeckite graniteMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
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| Further Information |
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| Mineral information: | Zektzerite information at mindat.org |
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| Significant Gem Localities |
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| USA | | |
| [MinRec 9:253, 20:152]; Rocks and Minerals, 66:6, p. 457; American Mineralogist, V.73, p.1191-1194 |
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