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Cancrinite
Cancrinite

Cobaltite
Cobaltite



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Cancrinite
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Cobaltite

Cancrinite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Not Available
1.2 Pleochroism
Not Available
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.491-1.524Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.012-0.025Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Cancrinite and Cobaltite Optic Character

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

Cancrinite and Cobaltite Transparency

Similar to their colors, Cancrinite and Cobaltite 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, Cancrinite is Transparent while Cancrinite is Transparent in appearance.