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Dioptase
Dioptase

Rossmanite
Rossmanite



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Dioptase
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Rossmanite

Dioptase and Rossmanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak; dark emerald green
Not Available
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli
TransparentWebmineral.com, Mineralogy Database (2012)
1.5 Refractive Index
1.644-1.7201.624-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.051-0.0530.021
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
TransparentWebmineral.com

Dioptase and Rossmanite Optic Character

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

Similar to their colors, Dioptase and Rossmanite 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.