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Chlorapatite
Chlorapatite

Cryolite
Cryolite



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Chlorapatite
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Cryolite

Chlorapatite and Cryolite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy, Pearly

Pleochroism

Weak to moderate; in pale colors.
colorless.

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.665-1.6671.338-1.339
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.001
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Chlorapatite and Cryolite Optic Character

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

Chlorapatite and Cryolite Transparency

Similar to their colors, Chlorapatite and Cryolite 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, Chlorapatite is Transparent while Chlorapatite is Transparent in appearance.