Cassiterite and Baddeleyite Optical Properties

Cassiterite

Baddeleyite

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1 Optical Properties

1.1 Luster

Adamantine, Greasy

Adamantine

1.2 Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

DistinctArthur Thomas

1.3 Dispersion

0.07NA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.990-2.1052.13-2.20

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c

1.8 Birefringence

0.096-0.0980.07

0 0.296

1.9 Clarity

Transparent

Cassiterite and Baddeleyite Optic Character

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

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Cassiterite and Baddeleyite Transparency

Similar to their colors, Cassiterite and Baddeleyite 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.