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Dolomite and Dallasite Optical Properties


Dallasite and Dolomite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
NilArthur Thomas   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Not Available   

Refractive Index
1.498-1.681   
1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.179-0.181   
0.008-0.010   

Clarity
Transparent   
Not Available   

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Dolomite and Dallasite Optic Character

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

Similar to their colors, Dolomite and Dallasite 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, Dolomite is Translucent and Transparent while Dolomite is Translucent and Transparent in appearance.

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