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Cavansite
Cavansite

Cassiterite
Cassiterite



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Cavansite
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Cassiterite

Cavansite and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine, Greasy
1.2 Pleochroism
Visible: X=Z= colorless Y= blue
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.5421.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.0090.096-0.098
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Cavansite and Cassiterite Optic Character

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

Cavansite and Cassiterite Transparency

Similar to their colors, Cavansite 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, Cavansite is Not Available while Cavansite is Not Available in appearance.