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Chrysocolla
Chrysocolla

Astrophyllite
Astrophyllite



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Chrysocolla
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Astrophyllite

Chrysocolla and Astrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Greasy, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Translucent
1.5 Refractive Index
1.460-1.5701.678-1.758
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
0.023-0.0500.050
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Translucent

Chrysocolla and Astrophyllite Optic Character

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

Similar to their colors, Chrysocolla and Astrophyllite 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.