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Pumpellyite
Pumpellyite

Pyromorphite
Pyromorphite



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Pumpellyite
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Pyromorphite

Pumpellyite and Pyromorphite Optical Properties

Optical Properties

Luster

-
Resinous, Subadamantine

Pleochroism

-
Weak

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.674-1.7642.042-2.059
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.014-0.0160.010
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Pumpellyite and Pyromorphite Optic Character

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

Pumpellyite and Pyromorphite Transparency

Similar to their colors, Pumpellyite and Pyromorphite 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, Pumpellyite is while Pumpellyite is in appearance.