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Augelite
Augelite

Euclase
Euclase



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Augelite
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Euclase

Augelite and Euclase Optical Properties

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Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
Weak: colorless-(greenish) yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.570-1.5911.650-1.677
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.020-0.0210.019-0.025
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Augelite and Euclase Optic Character

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

Augelite and Euclase Transparency

Similar to their colors, Augelite 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, Augelite is while Augelite is in appearance.