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Cobaltite
Cobaltite

Erythrite
Erythrite



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Cobaltite
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Erythrite

Cobaltite and Erythrite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Subadamantine, Pearly
1.2 Pleochroism
Very weak
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gems
Not Available
1.5 Refractive Index
Not Available
1.626-1.629
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
monoclinic
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Gems
Not Available

Cobaltite and Erythrite Optic Character

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

Similar to their colors, Cobaltite and Erythrite 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.