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Watermelon Tourmaline and Carnelian Optical Properties


Carnelian and Watermelon Tourmaline Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
0.02   
22
None   

Transparency
TransparentGemdat.org, Management Team (2012)   
Translucent, Transparent to nearly opaque   

Refractive Index
1.614-1.666   
1.535-1.539   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.014-0.040   
0.003-0.009   

Clarity
TransparentGemdat.org   
Translucent   

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Watermelon Tourmaline and Carnelian Optic Character

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

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Watermelon Tourmaline and Carnelian Transparency

Similar to their colors, Watermelon Tourmaline 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, Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org while Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org in appearance.

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