Diamond and Watermelon Tourmaline Optical Properties

Diamond

Watermelon Tourmaline

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

None

Not Available

1.3 Dispersion

0.040.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

2.417-2.4191.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

Transparent

TransparentGemdat.org

Diamond and Watermelon Tourmaline Optic Character

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

Similar to their colors, Diamond 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, Diamond is Translucent, Transparent and Transparent to opaque while Diamond is Translucent, Transparent and Transparent to opaque in appearance.