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Atacamite
Atacamite

Boracite
Boracite



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Atacamite
X
Boracite

Atacamite and Boracite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous
Vitreous, Adamantine

Pleochroism

X = pale green; Y = yellow-green; Z = grass-green
None

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.8311.658-1.673
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0490.010-0.011
0 0.296
👆🏻

Clarity

-
Transparent

Atacamite and Boracite Optic Character

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

Similar to their colors, Atacamite and Boracite 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.