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Cobaltite
Cobaltite

Anglesite
Anglesite



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Cobaltite
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Anglesite

Cobaltite and Anglesite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Very weak
NilArthur Thomas
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent
1.5 Refractive Index
Not Available1.877-1.894
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
Orthorhombic
1.8 Birefringence
Not Available0.017
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Cobaltite and Anglesite Optic Character

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

Similar to their colors, Cobaltite and Anglesite 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.