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Datolite
Datolite

Euclase
Euclase



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Datolite
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Euclase

Datolite and Euclase Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak: colorless-(greenish) yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.621-1.6751.650-1.677
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

0.0440.019-0.025
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Datolite and Euclase Optic Character

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

Datolite and Euclase Transparency

Similar to their colors, Datolite 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, Datolite is Transparent while Datolite is Transparent in appearance.