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Boulder Opal and Polyhalite Optical Properties


Polyhalite and Boulder Opal Optical Properties


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Boulder Opal and Polyhalite Optic Character

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

Similar to their colors, Boulder Opal and Polyhalite 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, Boulder Opal is Translucent and Transparent while Boulder Opal is Translucent and Transparent in appearance.

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