Diopside and Cassiterite Optical Properties

Diopside

Cassiterite

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine, Greasy

1.2 Pleochroism

Not Available

Pleochroic haloes have been observed. Dichroic in yellow

1.3 Dispersion

0.020.07

0.007 1

1.4 Transparency

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

Transparent, Translucent

1.5 Refractive Index

1.664-1.7301.990-2.105

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

0.024-0.0300.096-0.098

0 0.296

1.9 Clarity

Transparent

Diopside and Cassiterite Optic Character

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

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