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Goshenite and Anthophyllite Optical Properties


Anthophyllite and Goshenite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
-  
-  

Dispersion
0.01  
99+
0.01  
99+

Transparency
Transparent  
Transparent  

Refractive Index
1.562-1.615  
1.603-1.690  

Optic Character
-  
Biaxial/+  

Crystal System
Hexagonal  
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  

Birefringence
0.003-0.010  
-9999  

Clarity
Transparent  
Transparent  

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Goshenite and Anthophyllite Optic Character

Goshenite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Goshenite and Anthophyllite 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 Goshenite and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

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Goshenite and Anthophyllite Transparency

Similar to their colors, Goshenite and Anthophyllite 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, Goshenite is Transparent while Goshenite is Transparent in appearance.

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