Hurlbutite and Imperial Topaz Optical Properties

Hurlbutite

Imperial Topaz

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.595-1.6041.609-1.643

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

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

Not Available

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Hurlbutite and Imperial Topaz Optic Character

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

Similar to their colors, Hurlbutite and Imperial Topaz 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.