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Riebeckite
Riebeckite

Atacamite
Atacamite



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Riebeckite
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Atacamite

Riebeckite and Atacamite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Adamantine, Vitreous
1.2 Pleochroism
X = blue
X = pale green; Y = yellow-green; Z = grass-green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.680-1.6981.831
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.005-0.0080.049
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Riebeckite and Atacamite Optic Character

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

Riebeckite and Atacamite Transparency

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