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Cobaltite
Cobaltite

Sard
Sard



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Cobaltite
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Sard

Cobaltite and Sard Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
Very weak
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gems
Translucent
1.5 Refractive Index
Not Available
1.535-1.539
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Not Available
1.8 Birefringence
Not Available
0.008-0.010
1.9 Clarity
Gems
Translucent

Cobaltite and Sard Optic Character

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

Cobaltite and Sard Transparency

Similar to their colors, Cobaltite and Sard 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, Cobaltite is Gems while Cobaltite is Gems in appearance.