Sheen Obsidian and Gadolinium Gallium Garnet Optical Properties

Sheen Obsidian

Gadolinium Gallium Garnet

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.450-1.5501.97-2.03

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

Sheen Obsidian and Gadolinium Gallium Garnet Optic Character

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

Similar to their colors, Sheen Obsidian 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, Sheen Obsidian is Translucent and Transparent while Sheen Obsidian is Translucent and Transparent in appearance.