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Anglesite
Anglesite

Cobaltite
Cobaltite



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Anglesite
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Cobaltite

Anglesite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
NilArthur Thomas
Very weak
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.877-1.894Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.017Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Anglesite and Cobaltite Optic Character

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

Anglesite and Cobaltite Transparency

Similar to their colors, Anglesite 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, Anglesite is Transparent while Anglesite is Transparent in appearance.