Tugtupite and Hessonite Garnet Optical Properties

Tugtupite

Hessonite Garnet

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

ModerateArthur Thomas

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

OpaqueHerve Nicolas Lazzarelli

Not Available

1.5 Refractive Index

1.494-1.5041.72-1.75

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Isometric

1.8 Birefringence

0.008Not Available

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Color grading system

Tugtupite and Hessonite Garnet Optic Character

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

Similar to their colors, Tugtupite and Hessonite Garnet 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.