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Chrysocolla
Chrysocolla

Willemite
Willemite



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Chrysocolla
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Willemite

Chrysocolla and Willemite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Resinous
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
1.460-1.5701.687-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.023-0.0500.028-0.030
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Chrysocolla and Willemite Optic Character

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

Similar to their colors, Chrysocolla and Willemite 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.