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Watermelon Tourmaline and Caledonite Optical Properties


Caledonite and Watermelon Tourmaline Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak   

Dispersion
0.02   
22
Not Available   

Transparency
TransparentGemdat.org, Management Team (2012)   
Transparent   

Refractive Index
1.614-1.666   
1.818-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
0.014-0.040   
0.091   

Clarity
TransparentGemdat.org   
Transparent   

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<< Physical Properties

Watermelon Tourmaline and Caledonite Optic Character

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

Similar to their colors, Watermelon Tourmaline and Caledonite 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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