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Charlesite
Charlesite

Topaz
Topaz



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Charlesite
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Topaz

Charlesite and Topaz Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Nearly colorless to pale golden yellow
Weak

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.4921.606-1.644
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

-99990.008-0.011
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Charlesite and Topaz Optic Character

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

Charlesite and Topaz Transparency

Similar to their colors, Charlesite and Topaz 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, Charlesite is while Charlesite is in appearance.