×

Phosphophyllite
Phosphophyllite

Atacamite
Atacamite



ADD
Compare
X
Phosphophyllite
X
Atacamite

Phosphophyllite and Atacamite Optical Properties

Optical Properties

Luster

-
Adamantine, Vitreous

Pleochroism

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

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.595-1.6211.831
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0210.049
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Phosphophyllite and Atacamite Optic Character

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

Phosphophyllite and Atacamite Transparency

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