Chrome-Chalcedony and Cassiterite Optical Properties

Chrome-Chalcedony

Cassiterite

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1 Optical Properties

1.1 Luster

Waxy

Adamantine, Greasy

1.2 Pleochroism

Not Available

Pleochroic haloes have been observed. Dichroic in yellow

1.3 Dispersion

NA0.07

0.007 1

1.4 Transparency

Translucent

Transparent, Translucent

1.5 Refractive Index

1.530-1.5431.990-2.105

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

0.003-0.0090.096-0.098

0 0.296

1.9 Clarity

Translucent

Transparent

Chrome-Chalcedony and Cassiterite Optic Character

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

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Chrome-Chalcedony and Cassiterite Transparency

Similar to their colors, Chrome-Chalcedony 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.