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Cassiterite
Cassiterite

Titanite
Titanite



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Cassiterite
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Titanite

Cassiterite and Titanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Subadamantine, Resinous
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange
1.3 Dispersion
0.07NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.990-2.1051.885-1.990
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.096-0.0980.105-0.135
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Cassiterite and Titanite Optic Character

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

Cassiterite and Titanite Transparency

Similar to their colors, Cassiterite and Titanite 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, Cassiterite is Translucent and Transparent while Cassiterite is Translucent and Transparent in appearance.