Chrome Tremolite and Sillimanite Optical Properties

Chrome Tremolite

Sillimanite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Subadamantine, Silky

1.2 Pleochroism

NilArthur Thomas

Colourless to pale brown to yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.599-1.6371.653-1.685

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.023-0.0280.020-0.022

0 0.296

1.9 Clarity

Transparent

Chrome Tremolite and Sillimanite Optic Character

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

Similar to their colors, Chrome Tremolite and Sillimanite 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, Chrome Tremolite is Transparent while Chrome Tremolite is Transparent in appearance.