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Milarite and Cobaltite Optical Properties


Cobaltite and Milarite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
Very weak   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Gems   

Refractive Index
1.529-1.560   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   

Birefringence
0.000-0.011   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Gems   

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Milarite and Cobaltite Optic Character

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

Similar to their colors, Milarite and Cobaltite 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, Milarite is Gemmological Tables (2004) More from other references while Milarite is Gemmological Tables (2004) More from other references in appearance.

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