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Wulfenite
Wulfenite

Cassiterite
Cassiterite



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Wulfenite
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Cassiterite

Wulfenite and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Resinous
Adamantine, Greasy
1.2 Pleochroism
Weak
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
2.280-2.4051.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
tetragonal
1.8 Birefringence
0.1220.096-0.098
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Wulfenite and Cassiterite Optic Character

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

Wulfenite and Cassiterite Transparency

Similar to their colors, Wulfenite 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, Wulfenite is Transparent while Wulfenite is Transparent in appearance.