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Gyrolite
Gyrolite

Pollucite
Pollucite



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Gyrolite
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Pollucite

Gyrolite and Pollucite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

-
-

Dispersion

-0.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5351.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Isometric

Birefringence

0.0140-9999
0 0.296
👆🏻

Clarity

-
Transparent

Gyrolite and Pollucite Optic Character

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

Gyrolite and Pollucite Transparency

Similar to their colors, Gyrolite 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, Gyrolite is while Gyrolite is in appearance.