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Anatase
Anatase

Anthophyllite
Anthophyllite



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Anatase
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Anthophyllite

Anatase and Anthophyllite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

Weak
-

Dispersion

0.210.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

2.488-2.5621.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.073-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Anatase and Anthophyllite Optic Character

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

Anatase and Anthophyllite Transparency

Similar to their colors, Anatase 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, Anatase is Transparent while Anatase is Transparent in appearance.