Topazolite and Gadolinium Gallium Garnet Optical Properties

Topazolite

Gadolinium Gallium Garnet

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1 Optical Properties

1.1 Luster

Subadamantine

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

0.06NA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.855-1.8951.97-2.03

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Not Available

Topazolite and Gadolinium Gallium Garnet Optic Character

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

Similar to their colors, Topazolite and Gadolinium Gallium 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, Topazolite is Transparent while Topazolite is Transparent in appearance.