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Chambersite and Dumortierite Optical Properties


Dumortierite and Chambersite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
-  
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue  

Dispersion
0.01  
99+
0.01  
99+

Transparency
-  
Translucent, Translucent to opaque  

Refractive Index
1.735-1.745  
1.669-1.723  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Orthorhombic  

Birefringence
0.012  
0.011-0.037  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Translucent  

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Chambersite and Dumortierite Optic Character

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

Similar to their colors, Chambersite and Dumortierite 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, Chambersite is while Chambersite is in appearance.

Red Gemstones

Red Gemstones


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