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Jasper
Jasper

Purpurite
Purpurite



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Jasper
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Purpurite

Jasper and Purpurite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
StrongArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.5401.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available0.070
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
TranslucentWalter Schumann

Jasper and Purpurite Optic Character

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

Jasper and Purpurite Transparency

Similar to their colors, Jasper 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, Jasper is Opaque while Jasper is Opaque in appearance.