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Mellite
Mellite

Pyromorphite
Pyromorphite



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Mellite
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Pyromorphite

Mellite and Pyromorphite Optical Properties

Optical Properties

Luster

Vitreous
Resinous, Subadamantine

Pleochroism

Weak: yellowish brown yellowAnthony et al
Weak

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.509-1.5412.042-2.059
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.0300.010
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Mellite and Pyromorphite Optic Character

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

Mellite and Pyromorphite Transparency

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