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Cobaltite
Cobaltite

Antigorite
Antigorite



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Cobaltite
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Antigorite

Cobaltite and Antigorite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Very weak
pale greenish yellow.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Translucent
1.5 Refractive Index
Not Available1.530-1.575
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 Domatic H-M Symbol (m) Space Group: Cm
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Gems
Translucent

Cobaltite and Antigorite Optic Character

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

Similar to their colors, Cobaltite and Antigorite 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.