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Azurite
Azurite

Peridot
Peridot



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Azurite
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Peridot

Azurite and Peridot Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

Visible shades of blue
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
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Transparency

Transparent, Translucent
Transparent

Refractive Index

1.720-1.8501.64-1.69
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.1080.036
0 0.296
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Clarity

Transparent
Transparent

Azurite and Peridot Optic Character

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

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