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Cobaltite
Cobaltite

Emerald
Emerald



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Cobaltite
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Emerald

Cobaltite and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Very weak
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gems
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
Not Available
1.565-1.602
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Hexagonal
1.8 Birefringence
Not Available
0.0040-0.0070
1.9 Clarity
Gems
Color grading system

Cobaltite and Emerald Optic Character

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

Similar to their colors, Cobaltite and Emerald 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.

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