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Watermelon Tourmaline
Watermelon Tourmaline

Tortoiseshell
Tortoiseshell



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Watermelon Tourmaline
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Tortoiseshell

Watermelon Tourmaline and Tortoiseshell Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Gemmological Tables (2004)
1.5 Refractive Index
1.614-1.666
1.540-1.560
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.014-0.040
Not Available
1.9 Clarity
TransparentGemdat.org
OpaqueUlrich Henn and Claudio C. Milisenda

Watermelon Tourmaline and Tortoiseshell Optic Character

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

Watermelon Tourmaline and Tortoiseshell Transparency

Similar to their colors, Watermelon Tourmaline and Tortoiseshell 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.