Rutilated Quartz
India
12.89 carats
© gemselect.com
Rutilated quartz, is a variety of
Quartz with needle-like rutile inclusions, embedded in it. The rutile needles can be reddish, golden, silvery, or very rarely greenish.
It is also known as Venus Hair Stone.
Rutilated Quartz Gemstones by Size
This table shows distribution of Rutilated Quartz gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
2.86ct to 12.82ct12.82ct to 22.78ct22.78ct to 32.74ct32.74ct to 42.70ct42.70ct to 52.66ct52.66ct to 62.61ct62.61ct to 72.57ct72.57ct to 82.53ct82.53ct to 92.49ct92.49ct to 102.45ct
General Information |
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A variety or type of: | Quartz |
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Chemical Formula | Michael O’Donoghue, Gems, Sixth Edition (2006) |
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Photos of natural/un-cut material from mindat.org |
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Physical Properties of Rutilated Quartz |
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Mohs Hardness | 7Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Specific Gravity | 2.65Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Cleavage Quality | NoneArthur Thomas, Gemstones (2009) |
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Fracture | ConchoidalMichael O’Donoghue, Gems, Sixth Edition (2006) |
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Optical Properties of Rutilated Quartz |
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Refractive Index | 1.544 to 1.553Ulrich 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 | 0.009Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Dispersion | 0.013Michael O’Donoghue, Gems, Sixth Edition (2006) |
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Colour |
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Colour (General) | Brown, black, colourless, green, pink, violet, white, yellow, orange, purpleArthur Thomas, Gemstones (2009) |
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Transparency | Transparent,Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Lustre | VitreousArthur Thomas, Gemstones (2009) |
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Crystallography of Rutilated Quartz |
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Crystal System | TrigonalUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) |
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Habit | PrismaticMichael O’Donoghue, Gems, Sixth Edition (2006) |
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Inclusions in Rutilated Quartz |
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Golden needles of rutile. |
Further Information |
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Mineral information: | Rutilated Quartz information at mindat.org |
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