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Chrome Tourmaline
Chrome Tourmaline

Anthophyllite
Anthophyllite



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Chrome Tourmaline
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Anthophyllite

Chrome Tourmaline and Anthophyllite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.614-1.6661.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.014-0.040-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Chrome Tourmaline and Anthophyllite Optic Character

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

Chrome Tourmaline and Anthophyllite Transparency

Similar to their colors, Chrome Tourmaline 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, Chrome Tourmaline is Transparent and Translucent while Chrome Tourmaline is Transparent and Translucent in appearance.