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Quartz
Quartz

Carnelian
Carnelian



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Quartz
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Carnelian

Quartz and Carnelian Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent, Transparent to nearly opaque
1.5 Refractive Index
1.544-1.5531.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.0090.003-0.009
Achroite
0 0.296
1.9 Clarity
Opaque
Translucent

Quartz and Carnelian Optic Character

Quartz and Carnelian optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Quartz and Carnelian 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 Quartz and Carnelian 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.

Quartz and Carnelian Transparency

Similar to their colors, Quartz and Carnelian 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, Quartz is Translucent, Transparent and Transparent to translucent while Quartz is Translucent, Transparent and Transparent to translucent in appearance.