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Prasiolite
Prasiolite

Cuprite
Cuprite



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Prasiolite
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Cuprite

Prasiolite and Cuprite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
visible
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TranslucentWalter Schumann
1.5 Refractive Index
1.544-1.5532.849
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
cubic
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Prasiolite and Cuprite Optic Character

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

Prasiolite and Cuprite Transparency

Similar to their colors, Prasiolite and Cuprite 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, Prasiolite is Translucent and Transparent while Prasiolite is Translucent and Transparent in appearance.