Diopside and Hibonite Optical Properties

Diopside

Hibonite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

O = brownish gray; E = gray

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

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

Handbook of mineralogy (2001)

1.5 Refractive Index

1.664-1.7301.79-1.807

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Hexagonal

1.8 Birefringence

0.024-0.030Not Available

0 0.296

1.9 Clarity

Transparent

Handbook of mineralogy (2001)

Diopside and Hibonite Optic Character

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

Similar to their colors, Diopside and Hibonite 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.