×

Lapis lazuli
Lapis lazuli

Tigers Eye
Tigers Eye



ADD
Compare
X
Lapis lazuli
X
Tigers Eye

Lapis lazuli and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Silky
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Opaque
1.5 Refractive Index
1.500-1.6701.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001)
Gemstones of the world (2001) More from other references

Lapis lazuli and Tigers Eye Optic Character

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

Lapis lazuli and Tigers Eye Transparency

Similar to their colors, Lapis lazuli and Tigers Eye 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, Lapis lazuli is Opaque while Lapis lazuli is Opaque in appearance.