×

Spodumene
Spodumene

Anthophyllite
Anthophyllite



ADD
Compare
X
Spodumene
X
Anthophyllite

Spodumene and Anthophyllite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Strong in kunzite: α-purple
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.657-1.6811.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.014-0.018-9999
0 0.296
👆🏻

Clarity

-
Transparent

Spodumene and Anthophyllite Optic Character

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

Spodumene and Anthophyllite Transparency

Similar to their colors, Spodumene 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, Spodumene is Transparent while Spodumene is Transparent in appearance.