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Vanadinite and Erythrite Optical Properties


Erythrite and Vanadinite Optical Properties


Optical Properties

Luster
Resinous   
Subadamantine, Pearly   

Pleochroism
Not Available   
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
2.416   
1.626-1.629   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
monoclinic   

Birefringence
0.066   
Not Available   

Clarity
Not Available   
Not Available   

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Vanadinite and Erythrite Optic Character

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

Similar to their colors, Vanadinite and Erythrite 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, Vanadinite is Not Available while Vanadinite is Not Available in appearance.

Red Gemstones

Red Gemstones


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