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Anthophyllite
Anthophyllite

Pyrope Garnet
Pyrope Garnet



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Anthophyllite
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Pyrope Garnet

Anthophyllite and Pyrope Garnet Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.603-1.6901.720-1.760
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent to translucent

Anthophyllite and Pyrope Garnet Optic Character

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

Similar to their colors, Anthophyllite and Pyrope Garnet 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.