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Verdite
Verdite

Phlogopite
Phlogopite



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Verdite
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Phlogopite

Verdite and Phlogopite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Pearly

Pleochroism

Extreme
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.5801.530-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
monoclinic

Birefringence

-99990.0280-0.0450
0 0.296
👆🏻

Clarity

Translucent
-

Verdite and Phlogopite Optic Character

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

Verdite and Phlogopite Transparency

Similar to their colors, Verdite and Phlogopite 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.