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Hurlbutite
Hurlbutite

Garnet
Garnet



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Hurlbutite
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Garnet

Hurlbutite and Garnet Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

-
None

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Transparent to translucent

Refractive Index

1.595-1.6041.730-1.895
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Trigonal

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Hurlbutite and Garnet Optic Character

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

Hurlbutite and Garnet Transparency

Similar to their colors, Hurlbutite and 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.