Cassiterite and Chrome Pyrope Optical Properties

Cassiterite

Chrome Pyrope

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1 Optical Properties

1.1 Luster

Adamantine, Greasy

Not Available

1.2 Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow

Not Available

1.3 Dispersion

0.07NA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.990-2.1051.720-1.740

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.096-0.098Not Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Cassiterite and Chrome Pyrope Optic Character

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

Similar to their colors, Cassiterite and Chrome Pyrope 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.