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Aragonite and Watermelon Tourmaline Optical Properties


Watermelon Tourmaline and Aragonite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
StrongArthur Thomas   
Not Available   

Dispersion
Not Available   
0.02   
22

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

Refractive Index
1.525-1.686   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.155   
0.014-0.040   

Clarity
Transparent   
TransparentGemdat.org   

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<< Physical Properties

Aragonite and Watermelon Tourmaline Optic Character

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

Similar to their colors, Aragonite and Watermelon Tourmaline 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, Aragonite is Translucent and Transparent while Aragonite is Translucent and Transparent in appearance.

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