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Chrysocolla
Chrysocolla

Purpurite
Purpurite



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Chrysocolla
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Purpurite

Chrysocolla and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
AbsentWalter Schumann
StrongArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.460-1.5701.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.023-0.0500.070
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann

Chrysocolla and Purpurite Optic Character

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

Similar to their colors, Chrysocolla and Purpurite 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.