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Vesuvianite
Vesuvianite

Anthophyllite
Anthophyllite



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Vesuvianite
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Anthophyllite

Vesuvianite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Pearly
1.2 Pleochroism
slight in colored varieties
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.703-1.7521.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.004-0.006Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Vesuvianite and Anthophyllite Optic Character

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

Vesuvianite and Anthophyllite Transparency

Similar to their colors, Vesuvianite 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, Vesuvianite is Not Available while Vesuvianite is Not Available in appearance.