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Andalusite
Andalusite

Chrysocolla
Chrysocolla



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Andalusite
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Chrysocolla

Andalusite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Greasy
1.2 Pleochroism
strongly trichroic
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Opaque
1.5 Refractive Index
1.627-1.6501.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.009-0.0100.023-0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Andalusite and Chrysocolla Optic Character

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

Andalusite and Chrysocolla Transparency

Similar to their colors, Andalusite 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.