Rutilated Quartz

Big Photo

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.
68 photos

Rutilated Quartz Gemstones by Colour

This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 
 
 
 
 

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.
Contributed photos
Lightest:2.86 cts
Heaviest:102.45 cts
Average:30.52 cts
Total photos:68
Do you have a larger Rutilated Quartz? Why not upload a photo?
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
A variety or type of:Quartz
Chemical Formula
SiO
 
2
Michael O’Donoghue, Gems, Sixth Edition (2006)
Photos of natural/un-cut material from mindat.org

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Physical Properties of Rutilated Quartz
Mohs Hardness7
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Specific Gravity2.65
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Cleavage QualityNone
Arthur Thomas, Gemstones (2009)
FractureConchoidal
Michael O’Donoghue, Gems, Sixth Edition (2006)
Optical Properties of Rutilated Quartz
Refractive Index1.544 to 1.553
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Optical CharacterUniaxial/+
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Birefringence0.009
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
Dispersion0.013
Michael O’Donoghue, Gems, Sixth Edition (2006)
Colour
Colour (General)Brown, black, colourless, green, pink, violet, white, yellow, orange, purple
Arthur Thomas, Gemstones (2009)
TransparencyTransparent,Translucent,Opaque
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
LustreVitreous
Arthur Thomas, Gemstones (2009)
Crystallography of Rutilated Quartz
Crystal SystemTrigonal
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
HabitPrismatic
Michael O’Donoghue, Gems, Sixth Edition (2006)
Inclusions in Rutilated Quartz
Golden needles of rutile.
Further Information
Mineral information:Rutilated Quartz information at mindat.org
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