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Fluorite
Fluorite

Cobaltite
Cobaltite



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Fluorite
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Cobaltite

Fluorite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Very weak
1.3 Dispersion
0.01NA
Achroite
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Gems
1.5 Refractive Index
1.432-1.436Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Fluorite and Cobaltite Optic Character

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

Fluorite and Cobaltite Transparency

Similar to their colors, Fluorite 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, Fluorite is Translucent, Transparent and Transparent to translucent while Fluorite is Translucent, Transparent and Transparent to translucent in appearance.