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Orthoclase and Clinochlore Optical Properties


Clinochlore and Orthoclase Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Pearly, Greasy   

Pleochroism
colorless.   
Distinct: light yellow-green to light bluE   

Dispersion
0.01   
28
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Transparent   

Refractive Index
1.518-1.536   
1.571-1.597   

Optic Character
Not Available   
Biaxial/+   

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

Birefringence
0.0050-0.0060   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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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 and Clinochlore 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 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. Clinochlore has Biaxial/+ character.

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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 Gemmological Tables (2004) More from other references while Orthoclase is Gemmological Tables (2004) More from other references in appearance.

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