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Pollucite
Pollucite

Natrolite
Natrolite



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Pollucite
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Natrolite

Pollucite and Natrolite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
-
0.01
Transparent, Translucent
1.517-1.525
-
Isometric
-9999
Transparent
 
Vitreous, Silky, Pearly
-
0.02
Transparent, Translucent
1.478-1.493
-
Orthorhombic
0.012-0.013
Transparent

Pollucite and Natrolite Optic Character

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

Similar to their colors, Pollucite and Natrolite 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.