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Anthophyllite
Anthophyllite

Violane
Violane



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Anthophyllite
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Violane

Anthophyllite and Violane Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.603-1.6901.668-1.703
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-

Birefringence

-99990.024-0.030
0 0.296
👆🏻

Clarity

Transparent
Translucent

Anthophyllite and Violane Optic Character

Anthophyllite and Violane optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anthophyllite and Violane 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 Anthophyllite and Violane 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. Anthophyllite has Biaxial/+ character.

Anthophyllite and Violane Transparency

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