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Azurite
Azurite

Anthophyllite
Anthophyllite



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Azurite
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Anthophyllite

Azurite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Visible shades of blue
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.720-1.8501.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.108Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Azurite and Anthophyllite Optic Character

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

Azurite and Anthophyllite Transparency

Similar to their colors, Azurite 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, Azurite is Translucent and Transparent while Azurite is Translucent and Transparent in appearance.