Cacoxenite and Lazulite Optical Properties

Cacoxenite

Lazulite

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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

Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.575-1.5851.604-1.646

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

Not Available0.031-0.036

0 0.296

1.9 Clarity

Not Available

Transparent

Cacoxenite and Lazulite Optic Character

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

Similar to their colors, Cacoxenite and Lazulite 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.