Cacoxenite and Liddicoatite Optical Properties

Cacoxenite

Liddicoatite

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1 Optical Properties

1.1 Luster

Silky

Vitreous

1.2 Pleochroism

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

Strong: dark brown light brownAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.575-1.585Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Transparent

Cacoxenite and Liddicoatite Optic Character

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

Similar to their colors, Cacoxenite and Liddicoatite 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.