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Cassiterite
Cassiterite

Chrysoprase
Chrysoprase



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Cassiterite
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Chrysoprase

Cassiterite and Chrysoprase Optical Properties

Optical Properties

Luster

Adamantine, Greasy
Vitreous, Waxy

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
-

Dispersion

0.070.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.990-2.1051.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.096-0.0980.004
0 0.296
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Clarity

Transparent
Translucent

Cassiterite and Chrysoprase Optic Character

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

Cassiterite and Chrysoprase Transparency

Similar to their colors, Cassiterite and Chrysoprase 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 Transparent and Translucent while Cassiterite is Transparent and Translucent in appearance.