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Jasper
Jasper

Cassiterite
Cassiterite



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Jasper
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Cassiterite

Jasper and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
None0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Transparent, Translucent
1.5 Refractive Index
1.5401.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
Not Available0.096-0.098
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent

Jasper and Cassiterite Optic Character

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

Similar to their colors, Jasper and Cassiterite 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.