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Atacamite
Atacamite

Variscite
Variscite



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Atacamite
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Variscite

Atacamite and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous, Waxy
1.2 Pleochroism
X = pale green; Y = yellow-green; Z = grass-green
MissingWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.831
1.560-1.594
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.049
0.031
1.9 Clarity
Not Available
Translucent

Atacamite and Variscite Optic Character

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

Similar to their colors, Atacamite and Variscite 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 Not Available while Atacamite is Not Available in appearance.