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Tourmaline
Tourmaline

Jasper
Jasper



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Tourmaline and Jasper Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
typically moderate to strong
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Opaque
1.5 Refractive Index
1.614-1.666
1.540
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.014-0.040
Not Available
1.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli

Tourmaline and Jasper Optic Character

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

Tourmaline and Jasper Transparency

Similar to their colors, Tourmaline and Jasper 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, Tourmaline is Translucent, Transparent and Transparent to opaque while Tourmaline is Translucent, Transparent and Transparent to opaque in appearance.

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