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Pleonast
Pleonast
☒

Orthoclase
Orthoclase
☒



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Pleonast
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Orthoclase

Pleonast and Orthoclase Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.03
-
-9999
-
-
-9999
-
 
Vitreous, Pearly
colorless.
0.01
-
1.518-1.536
-
monoclinic
0.0050-0.0060
TransparentUlrich Henn and Claudio C. Milisenda

Pleonast and Orthoclase Optic Character

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

Pleonast and Orthoclase Transparency

Similar to their colors, Pleonast 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, Pleonast is while Pleonast is in appearance.