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Atacamite
Atacamite

Cavansite
Cavansite



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Atacamite
X
Cavansite

Atacamite and Cavansite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine, Vitreous
X = pale green; Y = yellow-green; Z = grass-green
0.03
-
1.831
-
Orthorhombic
0.049
-
 
Vitreous, Pearly
Visible: X=Z= colorless Y= blue
0.04
-
1.542
-
Orthorhombic
0.009
-

Atacamite and Cavansite Optic Character

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

Atacamite and Cavansite Transparency

Similar to their colors, Atacamite and Cavansite 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, Atacamite is while Atacamite is in appearance.