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Howlite and Nickeline Optical Properties


Nickeline and Howlite Optical Properties


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Howlite and Nickeline Optic Character

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

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

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