Linarite and Cacoxenite Optical Properties

Linarite

Cacoxenite

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Silky

1.2 Pleochroism

X = pale blue; Y = blue; Z = Prussian blue

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.809-1.8591.575-1.585

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Hexagonal

1.8 Birefringence

0.050Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Linarite and Cacoxenite Optic Character

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

Similar to their colors, Linarite and Cacoxenite 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, Linarite is Transparent while Linarite is Transparent in appearance.