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Pyrope Almandine
Pyrope Almandine

Anthophyllite
Anthophyllite



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Pyrope Almandine
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Anthophyllite

Pyrope Almandine and Anthophyllite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

TransparentGemdat.org
Transparent

Refractive Index

1.73-1.771.603-1.690
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentGemdat.org
Transparent

Pyrope Almandine and Anthophyllite Optic Character

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

Pyrope Almandine and Anthophyllite Transparency

Similar to their colors, Pyrope Almandine 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, Pyrope Almandine is TransparentGemdat.org while Pyrope Almandine is TransparentGemdat.org in appearance.