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Phlogopite
Phlogopite

Rutilated topaz
Rutilated topaz



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Phlogopite
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Rutilated topaz

Phlogopite and Rutilated topaz Optical Properties

Optical Properties

Luster

Pearly
-

Pleochroism

-
-

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.530-1.573-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.0280-0.0450-9999
0 0.296
👆🏻

Clarity

-
-

Phlogopite and Rutilated topaz Optic Character

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

Similar to their colors, Phlogopite and Rutilated topaz 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.