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Erythrite
Erythrite

Cuprite
Cuprite



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Erythrite
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Cuprite

Erythrite and Cuprite Optical Properties

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1 Optical Properties
1.1 Luster
Subadamantine, Pearly
Adamantine
1.2 Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
visible
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
TranslucentWalter Schumann
1.5 Refractive Index
1.626-1.629
2.849
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
cubic
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Not Available
TranslucentWalter Schumann

Erythrite and Cuprite Optic Character

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

Erythrite and Cuprite Transparency

Similar to their colors, Erythrite 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, Erythrite is Not Available while Erythrite is Not Available in appearance.