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Violane
Violane

Anthophyllite
Anthophyllite



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Violane
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Anthophyllite

Violane and Anthophyllite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.668-1.7031.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.024-0.030-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Violane and Anthophyllite Optic Character

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

Violane and Anthophyllite Transparency

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