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Dallasite and Diaspore Optical Properties


Diaspore and Dallasite Optical Properties


Optical Properties

Luster
Not Available   
Pearly   

Pleochroism
Not Available   
Strong   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.540   
1.702-1.750   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
0.008-0.010   
0.048   

Clarity
Not Available   
Transparent   

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Dallasite and Diaspore Optic Character

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

Similar to their colors, Dallasite and Diaspore 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, Dallasite is Not Available while Dallasite is Not Available in appearance.

Green Gemstones

Green Gemstones


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