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Rock Crystal
Rock Crystal

Smoky Quartz
Smoky Quartz



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Rock Crystal
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Smoky Quartz

Rock Crystal and Smoky Quartz Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
None
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.544-1.5531.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.0090.009
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
Opaque

Rock Crystal and Smoky Quartz Optic Character

Rock Crystal and Smoky Quartz optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Rock Crystal and Smoky Quartz Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Rock Crystal and Smoky Quartz optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Rock Crystal and Smoky Quartz Transparency

Similar to their colors, Rock Crystal and Smoky Quartz transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.