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Vlasovite and Amblygonite Optical Properties


Amblygonite and Vlasovite Optical Properties


Optical Properties

Luster
Greasy, Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
(x): colorless. (y): colorless. (z): colorless.   
weak to none   

Dispersion
Not Available   
0.01   
26

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.607   
1.578-1.646   

Optic Character
Not Available   
Biaxial/+   

Crystal System
monoclinic   
Triclinic   

Birefringence
Not Available   
0.020-0.030   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Vlasovite and Amblygonite Optic Character

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

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Vlasovite and Amblygonite Transparency

Similar to their colors, Vlasovite and Amblygonite 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, Vlasovite is Not Available while Vlasovite is Not Available in appearance.

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