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Cordierite
Cordierite

Azurite
Azurite



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X
Cordierite
X
Azurite

Cordierite and Azurite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous
1.2 Pleochroism
X = pale yellow
Visible shades of blue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
Not Available1.720-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
Not Available0.108
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Cordierite and Azurite Optic Character

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

Cordierite and Azurite Transparency

Similar to their colors, Cordierite and Azurite 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, Cordierite is Not Available while Cordierite is Not Available in appearance.