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Chrysocolla
Chrysocolla

Proustite
Proustite



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Chrysocolla
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Proustite

Chrysocolla and Proustite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Moderate; cochineal-red to blood-red
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
1.460-1.5702.792-3.087
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.023-0.0500.295-0.296
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
OpaqueUlrich Henn and Claudio C. Milisenda

Chrysocolla and Proustite Optic Character

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

Similar to their colors, Chrysocolla and Proustite 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.