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Pearl
Pearl

Chrysocolla
Chrysocolla



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Pearl
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Chrysocolla

Pearl and Chrysocolla Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Opaque
1.5 Refractive Index
1.52-1.661.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.1560.023-0.050
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Pearl and Chrysocolla Optic Character

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

Pearl and Chrysocolla Transparency

Similar to their colors, Pearl and Chrysocolla 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.