Diopside and Feldspar Optical Properties

Diopside

Feldspar

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

None

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .

Transparent, Translucent

1.5 Refractive Index

1.664-1.7301.518-1.570

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Triclinic or monoclinic

1.8 Birefringence

0.024-0.0300.008-0.010

0 0.296

1.9 Clarity

Transparent

Diopside and Feldspar Optic Character

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

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Diopside and Feldspar Transparency

Similar to their colors, Diopside and Feldspar 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, Diopside is Transparent, Translucent, Not Available and Transparent . Star Diopside is opaque . while Diopside is Transparent, Translucent, Not Available and Transparent . Star Diopside is opaque . in appearance.