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Chrysocolla
Chrysocolla

Andalusite
Andalusite



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Chrysocolla
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Andalusite

Chrysocolla and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
strongly trichroic
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
1.460-1.5701.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.023-0.0500.009-0.010
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Chrysocolla and Andalusite Optic Character

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

Similar to their colors, Chrysocolla and Andalusite 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.