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Anthophyllite
Anthophyllite

Mother of Pearl
Mother of Pearl



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Anthophyllite
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Mother of Pearl

Anthophyllite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
When Fe-rich
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.603-1.6901.53-1.69
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
Not Available
1.8 Birefringence
Not Available0.16
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Anthophyllite and Mother of Pearl Optic Character

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

Similar to their colors, Anthophyllite and Mother of Pearl 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.