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Prehnite
Prehnite

Chrysocolla
Chrysocolla



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Prehnite
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Chrysocolla

Prehnite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque
1.5 Refractive Index
1.611-1.6731.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.021-0.0330.023-0.050
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Gemmological Tables (2004) More from other references

Prehnite and Chrysocolla Optic Character

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

Prehnite and Chrysocolla Transparency

Similar to their colors, Prehnite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.