×

Cuprite
Cuprite

Alexandrite
Alexandrite



ADD
Compare
X
Cuprite
X
Alexandrite

Cuprite and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann
Transparent, Transparent to nearly opaque
1.5 Refractive Index
2.8491.739-1.770
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Transparent

Cuprite and Alexandrite Optic Character

Cuprite and Alexandrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cuprite and Alexandrite 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 Alexandrite 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. Alexandrite has Biaxial/+ character.

Cuprite and Alexandrite Transparency

Similar to their colors, Cuprite and Alexandrite 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.