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Ametrine
Ametrine

Cryolite
Cryolite



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Ametrine
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Cryolite

Ametrine and Cryolite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.338-1.339
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.0090.001
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Ametrine and Cryolite Optic Character

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

Ametrine and Cryolite Transparency

Similar to their colors, Ametrine 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, Ametrine is Transparent while Ametrine is Transparent in appearance.