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Bowenite
Bowenite

Cassiterite
Cassiterite



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Bowenite
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Cassiterite

Bowenite and Cassiterite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Adamantine, Greasy

Pleochroism

-
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.010.07
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent

Refractive Index

1.530-1.5751.990-2.105
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.096-0.098
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Bowenite and Cassiterite Optic Character

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

Bowenite and Cassiterite Transparency

Similar to their colors, Bowenite 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, Bowenite is TranslucentHerve Nicolas Lazzarelli while Bowenite is TranslucentHerve Nicolas Lazzarelli in appearance.