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Chrysocolla
Chrysocolla

Dioptase
Dioptase



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Chrysocolla
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Dioptase

Chrysocolla and Dioptase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Weak; dark emerald green
1.3 Dispersion
None0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.460-1.5701.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.023-0.0500.051-0.053
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TranslucentHerve Nicolas Lazzarelli

Chrysocolla and Dioptase Optic Character

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

Chrysocolla and Dioptase Transparency

Similar to their colors, Chrysocolla and Dioptase 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, Chrysocolla is Opaque while Chrysocolla is Opaque in appearance.