×

Cuprite
Cuprite

Lapis lazuli
Lapis lazuli



ADD
Compare
X
Cuprite
X
Lapis lazuli

Cuprite and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Greasy
1.2 Pleochroism
visible
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann
Opaque
1.5 Refractive Index
2.8491.500-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Gemstones of the world (2001)

Cuprite and Lapis lazuli Optic Character

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

Similar to their colors, Cuprite and Lapis lazuli 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.