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Cassiterite
Cassiterite

Moss Opal
Moss Opal



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Cassiterite
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Moss Opal

Cassiterite and Moss Opal Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Not Available
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
AbsentWalter Schumann
1.3 Dispersion
0.07NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.990-2.1051.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.096-0.098Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Cassiterite and Moss Opal Optic Character

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

Similar to their colors, Cassiterite and Moss Opal 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.