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Chrysocolla
Chrysocolla

Fayalite
Fayalite



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Chrysocolla
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Fayalite

Chrysocolla and Fayalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Resinous
1.2 Pleochroism
AbsentWalter Schumann
Faint
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.460-1.5701.827-1.879
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.023-0.0500.042-0.051
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentAnthony et al

Chrysocolla and Fayalite Optic Character

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

Similar to their colors, Chrysocolla and Fayalite 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.