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Andradite Garnet and Rosasite Optical Properties


Rosasite and Andradite Garnet Optical Properties


Optical Properties

Luster
Adamantine   
Silky, Vitreous   

Pleochroism
Not Available   
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Opaque, Transparent to opaque   
Not Available   

Refractive Index
1.888-1.889   
1.672-1.688   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
monoclinic   

Birefringence
Not Available   
0.139-0.143   

Clarity
Transparent to opaque   
Not Available   

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Andradite Garnet and Rosasite Optic Character

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

Similar to their colors, Andradite Garnet 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, Andradite Garnet is Opaque, Transparent and Transparent to opaque while Andradite Garnet is Opaque, Transparent and Transparent to opaque in appearance.

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