Hurlbutite and Clinothulite Optical Properties

Hurlbutite

Clinothulite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.595-1.604Not Available

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 Clinothulite Optic Character

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

Similar to their colors, Hurlbutite and Clinothulite 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.