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Chrysocolla
Chrysocolla

Phenakite
Phenakite



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Chrysocolla and Phenakite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 24 (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.460-1.570
1.650-1.695
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.023-0.050
0.016
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda

Chrysocolla and Phenakite Optic Character

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

Similar to their colors, Chrysocolla and Phenakite 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.