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Cuprite
Cuprite

Pumpellyite
Pumpellyite



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Cuprite
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Pumpellyite

Cuprite and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Fibrous
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann
Gemmological Tables (2004)
1.5 Refractive Index
2.8491.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
monoclinic
1.8 Birefringence
Not Available0.014-0.016
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
OpaqueUlrich Henn and Claudio C. Milisenda

Cuprite and Pumpellyite Optic Character

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

Cuprite and Pumpellyite Transparency

Similar to their colors, Cuprite and Pumpellyite 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, Cuprite is TranslucentWalter Schumann while Cuprite is TranslucentWalter Schumann in appearance.