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Cryolite
Cryolite

Stolzite
Stolzite



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Cryolite
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Stolzite

Cryolite and Stolzite Optical Properties

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Optical Properties

Luster

Vitreous, Greasy, Pearly
Resinous, Subadamantine

Pleochroism

colorless.
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.338-1.3392.180-2.190
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.0010.090
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Cryolite and Stolzite Optic Character

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

Cryolite and Stolzite Transparency

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