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Dallasite
Dallasite

Atacamite
Atacamite



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Dallasite
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Atacamite

Dallasite and Atacamite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine, Vitreous
1.2 Pleochroism
Not Available
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
1.5401.831
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.008-0.0100.049
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Dallasite and Atacamite Optic Character

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

Dallasite and Atacamite Transparency

Similar to their colors, Dallasite 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, Dallasite is Not Available while Dallasite is Not Available in appearance.