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Pezzottaite
Pezzottaite

Anthophyllite
Anthophyllite



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Pezzottaite
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Anthophyllite

Pezzottaite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Moderate dichroic
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.598-1.6201.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Hexagonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.008-0.011Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Pezzottaite and Anthophyllite Optic Character

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

Pezzottaite and Anthophyllite Transparency

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