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Pollucite
Pollucite

Rutile
Rutile



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Pollucite
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Rutile

Pollucite and Rutile Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Adamantine

Pleochroism

-
Weak to distinct brownish red-green-yellow

Dispersion

0.010.33
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.517-1.5252.609-2.903
1 3.25
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Optic Character

-
-

Crystal System

Isometric
tetragonal

Birefringence

-99990.296
0 0.296
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Clarity

Transparent
Transparent

Pollucite and Rutile Optic Character

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

Pollucite and Rutile Transparency

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