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Hercynite and Howlite Optical Properties


Howlite and Hercynite Optical Properties


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Hercynite and Howlite Optic Character

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

Similar to their colors, Hercynite and Howlite 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, Hercynite is Translucent while Hercynite is Translucent in appearance.

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