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Binghamite
Binghamite

Atacamite
Atacamite



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Binghamite
X
Atacamite

Binghamite and Atacamite Optical Properties

Optical Properties

Luster

Waxy
Adamantine, Vitreous

Pleochroism

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

Dispersion

-0.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.530-1.5431.831
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.003-0.0090.049
0 0.296
👆🏻

Clarity

Translucent
-

Binghamite and Atacamite Optic Character

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

Binghamite and Atacamite Transparency

Similar to their colors, Binghamite 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, Binghamite is Translucent while Binghamite is Translucent in appearance.