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Liddicoatite
Liddicoatite

Cassiterite
Cassiterite



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Liddicoatite
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Cassiterite

Liddicoatite and Cassiterite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine, Greasy

Pleochroism

Strong: dark brown light brownAnthony et al
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.010.07
0.005 1
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Transparency

Transparent
Transparent, Translucent

Refractive Index

-99991.990-2.105
1 3.25
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Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.096-0.098
0 0.296
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Clarity

Transparent
Transparent

Liddicoatite and Cassiterite Optic Character

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

Liddicoatite and Cassiterite Transparency

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