×

Sulphur
Sulphur

Anthophyllite
Anthophyllite



ADD
Compare
X
Sulphur
X
Anthophyllite

Sulphur and Anthophyllite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

TranslucentWalter Schumann
Transparent

Refractive Index

1.958-2.2451.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

-
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.291-9999
0 0.296
👆🏻

Clarity

TranslucentWalter Schumann
Transparent

Sulphur and Anthophyllite Optic Character

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

Sulphur and Anthophyllite Transparency

Similar to their colors, Sulphur and Anthophyllite 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, Sulphur is TranslucentWalter Schumann while Sulphur is TranslucentWalter Schumann in appearance.