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Euclase
Euclase

Aragonite
Aragonite



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Euclase
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Aragonite

Euclase and Aragonite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

Weak: colorless-(greenish) yellow
StrongArthur Thomas

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.650-1.6771.525-1.686
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

0.019-0.0250.155
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Euclase and Aragonite Optic Character

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

Similar to their colors, Euclase and Aragonite 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.