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Riebeckite
Riebeckite

Cobaltite
Cobaltite



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Riebeckite
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Cobaltite

Riebeckite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
X = blue
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gems
1.5 Refractive Index
1.680-1.698Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.005-0.008Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Gems

Riebeckite and Cobaltite Optic Character

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

Riebeckite and Cobaltite Transparency

Similar to their colors, Riebeckite 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, Riebeckite is Not Available while Riebeckite is Not Available in appearance.