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Cobaltite
Cobaltite

Andradite
Andradite



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Cobaltite
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Andradite

Cobaltite and Andradite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine, Resinous
1.2 Pleochroism
Very weak
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent
1.5 Refractive Index
Not Available1.88-1.94
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
cubic
1.8 Birefringence
Not Available0.057
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Cobaltite and Andradite Optic Character

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

Similar to their colors, Cobaltite and Andradite 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.