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Atacamite
Atacamite

Vishnevite
Vishnevite



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Atacamite
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Vishnevite

Atacamite and Vishnevite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous, Pearly
1.2 Pleochroism
X = pale green; Y = yellow-green; Z = grass-green
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.8311.490-1.507
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.0490.002-0.012
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Atacamite and Vishnevite Optic Character

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

Similar to their colors, Atacamite and Vishnevite 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.