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Axinite
Axinite

Anthophyllite
Anthophyllite



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Axinite
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Anthophyllite

Axinite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Strong
When Fe-rich
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.656-1.7041.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Biaxial/+
1.7 Crystal System
Triclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.009-0.012Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Axinite and Anthophyllite Optic Character

Axinite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Axinite 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 Axinite 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. Axinite has Biaxial/+ character.Anthophyllite has Biaxial/+ character.

Axinite and Anthophyllite Transparency

Similar to their colors, Axinite 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, Axinite is Gemmological Tables (2004) More from other references while Axinite is Gemmological Tables (2004) More from other references in appearance.