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Periclase and Axinite Optical Properties


Axinite and Periclase Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Strong   

Dispersion
Not Available   
0.02   
21

Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   
Gemmological Tables (2004) More from other references   

Refractive Index
1.735-1.738   
1.656-1.704   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Isometric   
Triclinic   

Birefringence
Not Available   
0.009-0.012   

Clarity
TransparentWalter Schumann   
TransparentUlrich Henn and Claudio C. Milisenda   

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Periclase and Axinite Optic Character

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

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Periclase and Axinite Transparency

Similar to their colors, Periclase and Axinite 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, Periclase is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Periclase is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.

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