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Selenite and Marialite Optical Properties


Marialite and Selenite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly, Resinous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
Not Available   
1.540-1.550   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
tetragonal   

Birefringence
Not Available   
0.004-0.008   

Clarity
Transparent   
Transparent   

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Selenite and Marialite Optic Character

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

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Selenite and Marialite Transparency

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

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