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Pyromorphite
Pyromorphite

Amblygonite
Amblygonite



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Pyromorphite
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Amblygonite

Pyromorphite and Amblygonite Optical Properties

Optical Properties

Luster

Resinous, Subadamantine
Vitreous, Pearly

Pleochroism

Weak
weak to none

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.042-2.0591.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Hexagonal
Triclinic

Birefringence

0.0100.020-0.030
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pyromorphite and Amblygonite Optic Character

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

Pyromorphite and Amblygonite Transparency

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