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Atacamite
Atacamite

Hydrogrossular
Hydrogrossular



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Atacamite
X
Hydrogrossular

Atacamite and Hydrogrossular Optical Properties

Optical Properties

Luster

Adamantine, Vitreous
-

Pleochroism

X = pale green; Y = yellow-green; Z = grass-green
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.8311.680-1.712
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.049-9999
0 0.296
👆🏻

Clarity

-
Translucent

Atacamite and Hydrogrossular Optic Character

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

Similar to their colors, Atacamite and Hydrogrossular 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 while Atacamite is in appearance.