| General Information |
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| A variety or type of: | Zircon |
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| Chemical Formula | Michael O’Donoghue, Gems, Sixth Edition (2006) |
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| Physical Properties of Starlite |
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| Mohs Hardness | 6.5 to 7.5Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Specific Gravity | 3.91 to 4.73Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Tenacity | BrittleHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Cleavage Quality | DistinctUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Fracture | ConchoidalArthur Thomas, Gemstones (2009) |
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| Optical Properties of Starlite |
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| Refractive Index | 1.790 to 2.015Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Optical Character | Uniaxial/+Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Birefringence | 0.005 to 0.055Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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| Colour |
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| Colour (General) | BlueGemdat.org, Management Team (2012) |
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| Causes of Colour | Blue, U4+.W. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011) |
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| Transparency | Transparent,TranslucentArthur Thomas, Gemstones (2009) |
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| Lustre | AdamantineArthur Thomas, Gemstones (2009) |
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| Crystallography of Starlite |
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| Crystal System | TetragonalHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
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| Habit | PrismaicMichael O’Donoghue, Gems, Sixth Edition (2006) |
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| Further Information |
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| Mineral information: | Starlite information at mindat.org |
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| Significant Gem Localities |
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