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Vlasovite and Anthophyllite Optical Properties


Anthophyllite and Vlasovite Optical Properties


Optical Properties

Luster
Greasy, Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
(x): colorless. (y): colorless. (z): colorless.   
When Fe-rich   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.607   
1.603-1.690   

Optic Character
Not Available   
Biaxial/+   

Crystal System
monoclinic   
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

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Vlasovite and Anthophyllite Optic Character

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

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Vlasovite and Anthophyllite Transparency

Similar to their colors, Vlasovite and Anthophyllite 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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