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Atacamite
Atacamite

Dioptase
Dioptase



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Atacamite
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Dioptase

Atacamite and Dioptase Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous
1.2 Pleochroism
X = pale green; Y = yellow-green; Z = grass-green
Weak; dark emerald green
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.8311.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.0490.051-0.053
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentHerve Nicolas Lazzarelli

Atacamite and Dioptase Optic Character

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

Similar to their colors, Atacamite and Dioptase 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.