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Orthoclase and Verdite Optical Properties


Verdite and Orthoclase Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Silky   

Pleochroism
colorless.   
Extreme   

Dispersion
0.01   
28
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Translucent   

Refractive Index
1.518-1.536   
1.580   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   

Birefringence
0.0050-0.0060   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Translucent   

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Orthoclase and Verdite Optic Character

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

Similar to their colors, Orthoclase and Verdite 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, Orthoclase is Gemmological Tables (2004) More from other references while Orthoclase is Gemmological Tables (2004) More from other references in appearance.

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