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Verdite
Verdite

Anthophyllite
Anthophyllite



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Verdite
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Anthophyllite

Verdite and Anthophyllite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Pearly

Pleochroism

Extreme
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.5801.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Verdite and Anthophyllite Optic Character

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

Verdite and Anthophyllite Transparency

Similar to their colors, Verdite 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, Verdite is Translucent while Verdite is Translucent in appearance.