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Phlogopite
Phlogopite

Lizardite
Lizardite



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Phlogopite
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Lizardite

Phlogopite and Lizardite Optical Properties

Optical Properties

Luster

Pearly
-

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
TranslucentAnthony et al

Refractive Index

1.530-1.5731.538-1.560
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.0280-0.0450-9999
0 0.296
👆🏻

Clarity

-
TranslucentAnthony et al

Phlogopite and Lizardite Optic Character

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

Phlogopite and Lizardite Transparency

Similar to their colors, Phlogopite and Lizardite 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, Phlogopite is while Phlogopite is in appearance.