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Sapphirine and Orthoclase Optical Properties


Orthoclase and Sapphirine Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
Not Available   
colorless.   

Dispersion
0.02   
20
0.01   
28

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.701-1.724   
1.518-1.536   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
0.005-0.007   
0.0050-0.0060   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Sapphirine and Orthoclase Optic Character

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

Similar to their colors, Sapphirine and Orthoclase 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, Sapphirine is Transparent while Sapphirine is Transparent in appearance.

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