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Anthophyllite
Anthophyllite

Agrellite
Agrellite



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Anthophyllite
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Agrellite

Anthophyllite and Agrellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Pearly
1.2 Pleochroism
When Fe-rich
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.603-1.6901.567
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Triclinic
1.8 Birefringence
Not Available0.014
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Anthophyllite and Agrellite Optic Character

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

Similar to their colors, Anthophyllite and Agrellite 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.