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Norbergite and Allanite Optical Properties


Allanite and Norbergite Optical Properties


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Norbergite and Allanite Optic Character

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

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

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