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Cobaltite
Cobaltite

Sphene
Sphene



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Cobaltite
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Sphene

Cobaltite and Sphene Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Very weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Not Available
1.5 Refractive Index
Not Available1.84-2.11
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
monoclinic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Gems
Color grading system

Cobaltite and Sphene Optic Character

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

Similar to their colors, Cobaltite and Sphene 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.