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Ruby
Ruby

Williamsite
Williamsite



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Ruby
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Williamsite

Ruby and Williamsite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Strong: purplish-red
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to opaque
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.762-1.7781.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.008Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli

Ruby and Williamsite Optic Character

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

Ruby and Williamsite Transparency

Similar to their colors, Ruby and Williamsite 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.