×

Zircon
Zircon

Purpurite
Purpurite



ADD
Compare
X
Zircon
X
Purpurite

Zircon and Purpurite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak
StrongArthur Thomas
1.3 Dispersion
0.04NA
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
1.810-2.0241.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.047-0.0550.070
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentWalter Schumann

Zircon and Purpurite Optic Character

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

Zircon and Purpurite Transparency

Similar to their colors, Zircon 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, Zircon is Transparent while Zircon is Transparent in appearance.