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Bytownite and Rosasite Optical Properties


Rosasite and Bytownite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Silky, Vitreous   

Pleochroism
colorless.   
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue   

Dispersion
0.01   
28
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.561-1.583   
1.672-1.688   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
monoclinic   

Birefringence
0.010-0.011   
0.139-0.143   

Clarity
Transparent   
Not Available   

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Bytownite and Rosasite Optic Character

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

Similar to their colors, Bytownite and Rosasite 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, Bytownite is Transparent while Bytownite is Transparent in appearance.

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