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Dioptase
Dioptase

Chrome Diopside
Chrome Diopside



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Dioptase
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Chrome Diopside

Dioptase and Chrome Diopside Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak; dark emerald green
Common trichroism: light green
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli
Gems, Sixth Edition (2006)
1.5 Refractive Index
1.644-1.7201.668-1.703
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.051-0.0530.024-0.030
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Gems

Dioptase and Chrome Diopside Optic Character

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

Dioptase and Chrome Diopside Transparency

Similar to their colors, Dioptase and Chrome Diopside 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.