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Chlorastrolite
Chlorastrolite

Cryolite
Cryolite



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Chlorastrolite
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Cryolite

Chlorastrolite and Cryolite Optical Properties

1 Optical Properties
1.1 Luster
Chatoyant
Vitreous, Greasy, Pearly
1.2 Pleochroism
NilArthur Thomas
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.71.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0100.001
Achroite
0 0.296
1.9 Clarity
Gems
TransparentUlrich Henn and Claudio C. Milisenda

Chlorastrolite and Cryolite Optic Character

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

Chlorastrolite and Cryolite Transparency

Similar to their colors, Chlorastrolite 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, Chlorastrolite is Gems while Chlorastrolite is Gems in appearance.