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Anthophyllite
Anthophyllite

Ammolite
Ammolite



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Anthophyllite
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Ammolite

Anthophyllite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Silky, Vitreous
1.2 Pleochroism
When Fe-rich
None
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.603-1.690
1.520-1.670
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
Trigonal
1.8 Birefringence
Not Available
0.135-0.145
1.9 Clarity
Transparent
Not Available

Anthophyllite and Ammolite Optic Character

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

Similar to their colors, Anthophyllite and Ammolite 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.

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