Grossular Garnet and Hibschite Optical Properties

Grossular Garnet

Hibschite

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Semitransparent

1.5 Refractive Index

1.738-1.745Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Grossular Garnet and Hibschite Optic Character

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

Similar to their colors, Grossular Garnet and Hibschite 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, Grossular Garnet is Transparent while Grossular Garnet is Transparent in appearance.