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Morion and Dravite Optical Properties


Dravite and Morion Optical Properties


Optical Properties

Luster
-  
Vitreous  

Pleochroism
Definite: brown reddish-brownWalter Schumann  
Very strong: pale yellow colorless  

Dispersion
0.01  
99+
0.02  
99+

Transparency
Transparent, Translucent  
Transparent  

Refractive Index
1.544-1.553  
1.614-1.666  

Optic Character
-  
-  

Crystal System
-  
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m  

Birefringence
0.009  
0.014-0.032  

Clarity
Transparent  
Transparent  

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Morion and Dravite Optic Character

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

Similar to their colors, Morion and Dravite 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, Morion is Transparent and Translucent while Morion is Transparent and Translucent in appearance.

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