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Turquoise
Turquoise

Williamsite
Williamsite



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Turquoise
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Williamsite

Turquoise and Williamsite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.610-1.6501.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.040Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TranslucentHerve Nicolas Lazzarelli

Turquoise and Williamsite Optic Character

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

Turquoise and Williamsite Transparency

Similar to their colors, Turquoise 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.