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Azurite
Azurite

Staurolite
Staurolite



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X
Azurite
X
Staurolite

Azurite and Staurolite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Visible shades of blue
0.03
Transparent, Translucent
1.720-1.850
-
monoclinic
0.108
Transparent
 
Resinous
X = colorless; Y = pale yellow; Z = golden yellow
0.02
-
1.736-1.762
-
monoclinic
0.009-0.015
-

Azurite and Staurolite Optic Character

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

Azurite and Staurolite Transparency

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