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Afghanite
Afghanite

Orthoclase
Orthoclase



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Afghanite
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Orthoclase

Afghanite and Orthoclase Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent
1.523
-
Trigonal
0.006
Transparent
 
Vitreous, Pearly
colorless.
0.01
-
1.518-1.536
-
monoclinic
0.0050-0.0060
TransparentUlrich Henn and Claudio C. Milisenda

Afghanite and Orthoclase Optic Character

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

Afghanite and Orthoclase Transparency

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