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Orthoclase
Orthoclase
☒

Clinochlore
Clinochlore
☒



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Orthoclase
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Clinochlore

Orthoclase and Clinochlore Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
colorless.
0.01
-
1.518-1.536
-
monoclinic
0.0050-0.0060
TransparentUlrich Henn and Claudio C. Milisenda
 
Pearly, Greasy
Distinct: light yellow-green to light bluE
0.02
Transparent
1.571-1.597
Biaxial/+
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
-9999
Transparent

Orthoclase and Clinochlore Optic Character

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

Orthoclase and Clinochlore Transparency

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