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Pyromorphite
Pyromorphite

Tugtupite
Tugtupite



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Pyromorphite
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Tugtupite

Pyromorphite and Tugtupite Optical Properties

Optical Properties

Luster

Resinous, Subadamantine
-

Pleochroism

Weak
ModerateArthur Thomas

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

2.042-2.0591.494-1.504
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
tetragonal

Birefringence

0.0100.008
0 0.296
👆🏻

Clarity

Transparent
OpaqueHerve Nicolas Lazzarelli

Pyromorphite and Tugtupite Optic Character

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

Pyromorphite and Tugtupite Transparency

Similar to their colors, Pyromorphite and Tugtupite 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.