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Azurite
Azurite

Phlogopite
Phlogopite



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Azurite
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Phlogopite

Azurite and Phlogopite Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Visible shades of blue
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.720-1.8501.530-1.573
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.1080.0280-0.0450
0 0.296
👆🏻

Clarity

Transparent
-

Azurite and Phlogopite Optic Character

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

Azurite and Phlogopite Transparency

Similar to their colors, Azurite 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, Azurite is Transparent and Translucent while Azurite is Transparent and Translucent in appearance.