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Inderite
Inderite

Atacamite
Atacamite



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Inderite
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Atacamite

Inderite and Atacamite Optical Properties

Optical Properties

Luster

Vitreous, Pearly, Greasy
Adamantine, Vitreous

Pleochroism

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

Dispersion

-0.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.488-1.5051.831
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic

Birefringence

0.0170.049
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Inderite and Atacamite Optic Character

Inderite and Atacamite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Inderite and Atacamite Transparency

Similar to their colors, Inderite 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, Inderite is while Inderite is in appearance.