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Chrysocolla
Chrysocolla

Pumpellyite
Pumpellyite



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Chrysocolla
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Pumpellyite

Chrysocolla and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Fibrous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Gemmological Tables (2004)
1.5 Refractive Index
1.460-1.5701.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.023-0.0500.014-0.016
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
OpaqueUlrich Henn and Claudio C. Milisenda

Chrysocolla and Pumpellyite Optic Character

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

Similar to their colors, Chrysocolla and Pumpellyite 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.