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Anthophyllite
Anthophyllite

Pearl
Pearl



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Anthophyllite
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Pearl

Anthophyllite and Pearl Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Pearly

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Translucent, Opaque

Refractive Index

1.603-1.6901.52-1.66
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

-99990.156
0 0.296
👆🏻

Clarity

Transparent
Translucent

Anthophyllite and Pearl Optic Character

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

Similar to their colors, Anthophyllite and Pearl 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.