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Dioptase
Dioptase

Crocoite
Crocoite



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Dioptase
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Crocoite

Dioptase and Crocoite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Weak; dark emerald green
Distinctly trichroic
1.3 Dispersion
Albite Optical ..
0.04
Rank: 13 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli
Transparent
1.5 Refractive Index
1.644-1.720
2.31-2.66
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.8 Birefringence
0.051-0.053
Not Available
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Dioptase and Crocoite Optic Character

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

Similar to their colors, Dioptase and Crocoite 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.