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Marialite and Amblygonite Optical Properties


Amblygonite and Marialite Optical Properties


Optical Properties

Luster
Vitreous, Pearly, Resinous   
Vitreous, Pearly   

Pleochroism
Not Available   
weak to none   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent, Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.540-1.550   
1.578-1.646   

Optic Character
Not Available   
Biaxial/+   

Crystal System
tetragonal   
Triclinic   

Birefringence
0.004-0.008   
0.020-0.030   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Marialite and Amblygonite Optic Character

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

Similar to their colors, Marialite 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, Marialite is Translucent and Transparent while Marialite is Translucent and Transparent in appearance.

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