×

Ekanite
Ekanite

Purpurite
Purpurite



ADD
Compare
X
Ekanite
X
Purpurite

Ekanite and Purpurite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.593-1.5961.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
Orthorhombic
1.8 Birefringence
0.0010.070
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Ekanite and Purpurite Optic Character

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

Ekanite and Purpurite Transparency

Similar to their colors, Ekanite and Purpurite 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, Ekanite is Transparent while Ekanite is Transparent in appearance.