Diopside and Alunite Optical Properties

Diopside

Alunite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

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

Not Available

1.5 Refractive Index

1.664-1.7301.572

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

0.024-0.0300.020

0 0.296

1.9 Clarity

Transparent

Not Available

Diopside and Alunite Optic Character

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

Compare Yellow Gemstones

Diopside Vs Ettringite

Diopside Vs Fayalite

Diopside Vs Feldspar

Diopside and Alunite Transparency

Similar to their colors, Diopside and Alunite 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.