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Periclase and Oligoclase Optical Properties


Oligoclase and Periclase Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

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

Refractive Index
1.735-1.738   
1.538-1.550   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
0.010   

Clarity
TransparentWalter Schumann   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Periclase and Oligoclase Optic Character

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

Similar to their colors, Periclase and Oligoclase 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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