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Baryte
Baryte

Cassiterite
Cassiterite



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Baryte
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Cassiterite

Baryte and Cassiterite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Adamantine, Greasy

Pleochroism

-
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.030.07
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.634-1.6371.990-2.105
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

-99990.096-0.098
0 0.296
👆🏻

Clarity

-
Transparent

Baryte and Cassiterite Optic Character

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

Baryte and Cassiterite Transparency

Similar to their colors, Baryte 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, Baryte is while Baryte is in appearance.