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Chrysoprase
Chrysoprase

Pyrophyllite
Pyrophyllite



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Chrysoprase
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Pyrophyllite

Chrysoprase and Pyrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Vitreous, Waxy
Pearly
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque
Translucent
1.5 Refractive Index
1.530-1.5431.534-1.601
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.0040.050
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Chrysoprase and Pyrophyllite Optic Character

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

Chrysoprase and Pyrophyllite Transparency

Similar to their colors, Chrysoprase and Pyrophyllite 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, Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque while Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque in appearance.