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Erythrite and Cavansite Optical Properties


Cavansite and Erythrite Optical Properties


Optical Properties

Luster
Subadamantine, Pearly   
Vitreous, Pearly   

Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red   
Visible: X=Z= colorless Y= blue   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
1.626-1.629   
1.542   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
Not Available   
0.009   

Clarity
Not Available   
Not Available   

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Erythrite and Cavansite Optic Character

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

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

Red Gemstones

Red Gemstones


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