Brazilianite and Intermediate Gold Nuggets Optical Properties

Brazilianite

Intermediate Gold Nuggets

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Very weakWalter Schumann

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Not Available

1.5 Refractive Index

1.602-1.625Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

0.019-0.021Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Not Available

Brazilianite and Intermediate Gold Nuggets Optic Character

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

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