×

Ammolite
Ammolite

Anthophyllite
Anthophyllite



ADD
Compare
X
Ammolite
X
Anthophyllite

Ammolite and Anthophyllite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous, Pearly

Pleochroism

None
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.520-1.6701.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.135-0.145-9999
0 0.296
👆🏻

Clarity

-
Transparent

Ammolite and Anthophyllite Optic Character

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

Ammolite and Anthophyllite Transparency

Similar to their colors, Ammolite 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, Ammolite is while Ammolite is in appearance.