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Aragonite
Aragonite

Williamsite
Williamsite



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Aragonite
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Williamsite

Aragonite and Williamsite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Waxy, Silky, Resinous, Greasy

Pleochroism

StrongArthur Thomas
-

Dispersion

0.170.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.525-1.6861.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.155-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentHerve Nicolas Lazzarelli

Aragonite and Williamsite Optic Character

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

Aragonite and Williamsite Transparency

Similar to their colors, Aragonite 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, Aragonite is Transparent and Translucent while Aragonite is Transparent and Translucent in appearance.