Diopside and Fayalite Optical Properties

Diopside

Fayalite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

Not Available

Faint

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

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

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.664-1.7301.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.024-0.0300.042-0.051

0 0.296

1.9 Clarity

Transparent

TransparentAnthony et al

Diopside and Fayalite Optic Character

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

Similar to their colors, Diopside and Fayalite 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.