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Fibrolite
Fibrolite

Euclase
Euclase



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Fibrolite
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Euclase

Fibrolite and Euclase Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

DistinctArthur Thomas
Weak: colorless-(greenish) yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.658-1.6781.650-1.677
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

-99990.019-0.025
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Fibrolite and Euclase Optic Character

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

Fibrolite and Euclase Transparency

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