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Anthophyllite
Anthophyllite

Aegirine
Aegirine



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Anthophyllite
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Aegirine

Anthophyllite and Aegirine Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Resinous

Pleochroism

-
Emerald green

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.603-1.6901.720-1.778
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

-99990.037-0.061
0 0.296
👆🏻

Clarity

Transparent
-

Anthophyllite and Aegirine Optic Character

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

Anthophyllite and Aegirine Transparency

Similar to their colors, Anthophyllite and Aegirine 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.