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Sanidine
Sanidine

Diopside
Diopside



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Sanidine
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Diopside

Sanidine and Diopside Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent . Star Diopside is opaque .

Refractive Index

1.518-1.5361.664-1.730
1 3.25
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Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.005-0.0080.024-0.030
0 0.296
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Clarity

Transparent
Transparent

Sanidine and Diopside Optic Character

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

Sanidine and Diopside Transparency

Similar to their colors, Sanidine and Diopside 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, Sanidine is Transparent while Sanidine is Transparent in appearance.