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Uvite
Uvite

Anthophyllite
Anthophyllite



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Uvite
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Anthophyllite

Uvite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Pale yellow colorlessAnthony et al
When Fe-rich
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.614-1.6661.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.014-0.032Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Uvite and Anthophyllite Optic Character

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

Uvite and Anthophyllite Transparency

Similar to their colors, Uvite 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, Uvite is Transparent while Uvite is Transparent in appearance.