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Carnelian
Carnelian

Titanite Sphene
Titanite Sphene



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Carnelian
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Titanite Sphene

Carnelian and Titanite Sphene Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
1.3 Dispersion
None0.05
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent to nearly opaque
Transparent, Translucent
1.5 Refractive Index
1.535-1.5391.843-2.110
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.003-0.0090.100-0.192
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Carnelian and Titanite Sphene Optic Character

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

Carnelian and Titanite Sphene Transparency

Similar to their colors, Carnelian and Titanite Sphene 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.