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Pyromorphite
Pyromorphite

Steatite
Steatite



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Pyromorphite
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Steatite

Pyromorphite and Steatite Optical Properties

Optical Properties

Luster

Resinous, Subadamantine
-

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.042-2.0591.539-1.596
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.0100.046-0.050
0 0.296
👆🏻

Clarity

Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Pyromorphite and Steatite Optic Character

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

Similar to their colors, Pyromorphite and Steatite 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.