Cacoxenite and Cobaltite Optical Properties

Cacoxenite

Cobaltite

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1 Optical Properties

1.1 Luster

Silky

Not Available

1.2 Pleochroism

visible: O = Pale yellow E = Canary yellow to yellow orange

Very weak

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Gems

1.5 Refractive Index

1.575-1.585Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Gems

Cacoxenite and Cobaltite Optic Character

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

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Cacoxenite and Cobaltite Transparency

Similar to their colors, Cacoxenite 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, Cacoxenite is Not Available while Cacoxenite is Not Available in appearance.