×

Williamsite
Williamsite

Danburite
Danburite



ADD
Compare
X
Williamsite
X
Danburite

Williamsite and Danburite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous, Greasy

Pleochroism

-
Weak: pale yellow yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
-

Refractive Index

1.530-1.5751.627-1.639
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

-
Orthorhombic

Birefringence

-99990.006
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda

Williamsite and Danburite Optic Character

Williamsite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Williamsite and Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Williamsite and Danburite Transparency

Similar to their colors, Williamsite and Danburite 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 TranslucentHerve Nicolas Lazzarelli while Williamsite is TranslucentHerve Nicolas Lazzarelli in appearance.