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Watermelon Tourmaline
Watermelon Tourmaline

Purpurite
Purpurite



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Watermelon Tourmaline
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Purpurite

Watermelon Tourmaline and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
StrongArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.614-1.6661.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.014-0.0400.070
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
TranslucentWalter Schumann

Watermelon Tourmaline and Purpurite Optic Character

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

Similar to their colors, Watermelon Tourmaline and Purpurite 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.