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Mellite and Povondraite Optical Properties


Povondraite and Mellite Optical Properties


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Mellite and Povondraite Optic Character

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

Similar to their colors, Mellite and Povondraite 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, Mellite is Gemmological Tables (2004) More from other references while Mellite is Gemmological Tables (2004) More from other references in appearance.

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Brown Gemstones


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