Cacoxenite and Erythrite Optical Properties

Cacoxenite

Erythrite

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1 Optical Properties

1.1 Luster

Silky

Subadamantine, Pearly

1.2 Pleochroism

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

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.575-1.5851.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Cacoxenite and Erythrite Optic Character

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

Similar to their colors, Cacoxenite and Erythrite 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.