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Atacamite
Atacamite

Mimetite
Mimetite



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Atacamite
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Mimetite

Atacamite and Mimetite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Resinous, Subadamantine
1.2 Pleochroism
X = pale green; Y = yellow-green; Z = grass-green
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.8312.106-2.263
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.0490.019
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Atacamite and Mimetite Optic Character

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

Similar to their colors, Atacamite and Mimetite 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.