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Anthophyllite
Anthophyllite

Magnesite
Magnesite



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Anthophyllite
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Magnesite

Anthophyllite and Magnesite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.603-1.6901.509-1.720
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

-99990.191
0 0.296
👆🏻

Clarity

Transparent
Translucent

Anthophyllite and Magnesite Optic Character

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

Similar to their colors, Anthophyllite and Magnesite 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.