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Cobaltite
Cobaltite

Sugilite
Sugilite



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Cobaltite
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Sugilite

Cobaltite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Very weak
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Translucent
1.5 Refractive Index
Not Available1.607-1.612
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
Hexagonal
1.8 Birefringence
Not Available0.003
Achroite
0 0.296
1.9 Clarity
Gems
Translucent

Cobaltite and Sugilite Optic Character

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

Similar to their colors, Cobaltite and Sugilite 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.