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Atacamite
Atacamite

Amblygonite
Amblygonite



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Atacamite
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Amblygonite

Atacamite and Amblygonite 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
weak to none
0.01
-
1.578-1.646
Biaxial/+
Triclinic
0.020-0.030
TransparentUlrich Henn and Claudio C. Milisenda

Atacamite and Amblygonite Optic Character

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

Similar to their colors, Atacamite and Amblygonite 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.