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Chrysoprase
Chrysoprase

Rock Crystal
Rock Crystal



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Chrysoprase
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Rock Crystal

Chrysoprase and Rock Crystal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Vitreous, Waxy
Not Available
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.530-1.5431.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.0040.009
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWalter Schumann

Chrysoprase and Rock Crystal Optic Character

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

Similar to their colors, Chrysoprase and Rock Crystal 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.