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Charlesite
Charlesite

Euclase
Euclase



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Charlesite
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Euclase

Charlesite and Euclase Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Nearly colorless to pale golden yellow
Weak: colorless-(greenish) yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4921.650-1.677
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.019-0.025
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Charlesite and Euclase Optic Character

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

Similar to their colors, Charlesite and Euclase 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.