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Hyalite and Allanite Optical Properties


Allanite and Hyalite Optical Properties


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Hyalite and Allanite Optic Character

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

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Hyalite and Allanite Transparency

Similar to their colors, Hyalite and Allanite 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, Hyalite is Transparent while Hyalite is Transparent in appearance.

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Colorless Gems


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