Shattuckite and Cacoxenite Optical Properties

Shattuckite

Cacoxenite

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1 Optical Properties

1.1 Luster

Silky

1.2 Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.752-1.8151.575-1.585

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Hexagonal

1.8 Birefringence

0.063Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Shattuckite and Cacoxenite Optic Character

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

Similar to their colors, Shattuckite 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.