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Chrysocolla
Chrysocolla

Emerald
Emerald



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Chrysocolla
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Emerald

Chrysocolla and Emerald Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.460-1.570
1.565-1.602
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Hexagonal
1.8 Birefringence
0.023-0.050
0.0040-0.0070
1.9 Clarity
Gemmological Tables (2004) More from other references
Color grading system

Chrysocolla and Emerald Optic Character

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

Similar to their colors, Chrysocolla and Emerald 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.

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