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Rosasite and Peridot Optical Properties


Peridot and Rosasite Optical Properties


Optical Properties

Luster
Silky, Vitreous   
Vitreous, Greasy   

Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue   
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
18

Transparency
Not Available   
Transparent   

Refractive Index
1.672-1.688   
1.64-1.69   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.139-0.143   
0.036   

Clarity
Not Available   
Transparent   

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Rosasite and Peridot Optic Character

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

Similar to their colors, Rosasite and Peridot 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, Rosasite is Not Available while Rosasite is Not Available in appearance.

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