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Pezzottaite
Pezzottaite

Chrysocolla
Chrysocolla



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Pezzottaite
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Chrysocolla

Pezzottaite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Moderate dichroic
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Opaque
1.5 Refractive Index
1.598-1.6201.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.008-0.0110.023-0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Pezzottaite and Chrysocolla Optic Character

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

Pezzottaite and Chrysocolla Transparency

Similar to their colors, Pezzottaite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.