Shattuckite and Lazulite Optical Properties

Shattuckite

Lazulite

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1 Optical Properties

1.1 Luster

Silky

Not Available

1.2 Pleochroism

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

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

Translucent

Transparent, Translucent

1.5 Refractive Index

1.752-1.8151.604-1.646

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.0630.031-0.036

0 0.296

1.9 Clarity

Translucent

Transparent

Shattuckite and Lazulite Optic Character

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

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