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Kornerupine
Kornerupine

Pollucite
Pollucite



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X
Kornerupine
X
Pollucite

Kornerupine and Pollucite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

X = colorless to green; Y = colorless
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.660-1.6851.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.012-0.017-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Kornerupine and Pollucite Optic Character

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

Kornerupine and Pollucite Transparency

Similar to their colors, Kornerupine and Pollucite 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, Kornerupine is while Kornerupine is in appearance.