Spinel and Intermediate Gold Nuggets Optical Properties

Spinel

Intermediate Gold Nuggets

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Optical Properties

Luster

Vitreous

Pleochroism

Absent

Dispersion

0.02-

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.73-9999

1 3.25

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Optic Character

Crystal System

Isometric

Trigonal

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Spinel and Intermediate Gold Nuggets Optic Character

Spinel and Intermediate Gold Nuggets optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Spinel and Intermediate Gold Nuggets 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 Spinel and Intermediate Gold Nuggets 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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Spinel and Intermediate Gold Nuggets Transparency

Similar to their colors, Spinel and Intermediate Gold Nuggets 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, Spinel is Transparent, Translucent and Transparent to translucent while Spinel is Transparent, Translucent and Transparent to translucent in appearance.