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Amblygonite
Amblygonite

Vlasovite
Vlasovite



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Amblygonite
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Vlasovite

Amblygonite and Vlasovite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Greasy, Vitreous, Pearly
1.2 Pleochroism
weak to none
(x): colorless. (y): colorless. (z): colorless.
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.578-1.6461.607
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.020-0.030Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Amblygonite and Vlasovite Optic Character

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

Amblygonite and Vlasovite Transparency

Similar to their colors, Amblygonite and Vlasovite 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, Amblygonite is Gemmological Tables (2004) More from other references while Amblygonite is Gemmological Tables (2004) More from other references in appearance.