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Chrysocolla
Chrysocolla

Piemontite
Piemontite



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Chrysocolla
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Piemontite

Chrysocolla and Piemontite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
visible
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Not Available
1.5 Refractive Index
1.460-1.5701.725-1.756
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.023-0.0500.025-0.076
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Not Available

Chrysocolla and Piemontite Optic Character

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

Similar to their colors, Chrysocolla and Piemontite 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.