Williamsite and Rhodolite Optical Properties

Williamsite

Rhodolite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Greasy, Vitreous

1.2 Pleochroism

Not Available

None

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Gemmological Tables (2004)

1.5 Refractive Index

1.530-1.5751.760

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

cubic

1.8 Birefringence

Not Available0.010-0.014

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentUlrich Henn and Claudio C. Milisenda

Williamsite and Rhodolite Optic Character

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

Similar to their colors, Williamsite and Rhodolite 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, Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.