Hessonite Garnet and Watermelon Tourmaline Optical Properties

Hessonite Garnet

Watermelon Tourmaline

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

1.72-1.751.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

Color grading system

TransparentGemdat.org

Hessonite Garnet and Watermelon Tourmaline Optic Character

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

Similar to their colors, Hessonite Garnet 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, Hessonite Garnet is Not Available while Hessonite Garnet is Not Available in appearance.