×

Purpurite
Purpurite

Kornerupine
Kornerupine



ADD
Compare
X
Purpurite
X
Kornerupine

Purpurite and Kornerupine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
StrongArthur Thomas
X = colorless to green; Y = colorless
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.85-1.921.660-1.685
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0700.012-0.017
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda

Purpurite and Kornerupine Optic Character

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

Purpurite and Kornerupine Transparency

Similar to their colors, Purpurite and Kornerupine 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, Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann while Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann in appearance.