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Dioptase
Dioptase

Vesuvianite
Vesuvianite



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Dioptase
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Vesuvianite

Dioptase and Vesuvianite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
Weak; dark emerald green
slight in colored varieties
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli
Not Available
1.5 Refractive Index
1.644-1.7201.703-1.752
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
0.051-0.0530.004-0.006
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Not Available

Dioptase and Vesuvianite Optic Character

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

Similar to their colors, Dioptase and Vesuvianite 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.