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Euclase
Euclase

Langbeinite
Langbeinite



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Euclase
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Langbeinite

Euclase and Langbeinite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak: colorless-(greenish) yellow
-

Dispersion

0.02-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.650-1.6771.5329-1.5347
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.019-0.025-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Euclase and Langbeinite Optic Character

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

Euclase and Langbeinite Transparency

Similar to their colors, Euclase and Langbeinite 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, Euclase is while Euclase is in appearance.