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Pyromorphite and Cobaltite Optical Properties


Cobaltite and Pyromorphite Optical Properties


Optical Properties

Luster
Resinous, Subadamantine   
Not Available   

Pleochroism
Weak   
Very weak   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gems   

Refractive Index
2.042-2.059   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   

Birefringence
0.010   
Not Available   

Clarity
Transparent   
Gems   

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<< Physical Properties

Pyromorphite and Cobaltite Optic Character

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

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Pyromorphite and Cobaltite Transparency

Similar to their colors, Pyromorphite and Cobaltite 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.

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