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Pollucite
Pollucite

Clinochlore
Clinochlore



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Pollucite
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Clinochlore

Pollucite and Clinochlore Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Pearly, Greasy

Pleochroism

-
Distinct: light yellow-green to light bluE

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.517-1.5251.571-1.597
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pollucite and Clinochlore Optic Character

Pollucite and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pollucite and Clinochlore 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 Clinochlore 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. Clinochlore has Biaxial/+ character.

Pollucite and Clinochlore Transparency

Similar to their colors, Pollucite and Clinochlore 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.