Shattuckite and Scheelite Optical Properties

Shattuckite

Scheelite

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1 Optical Properties

1.1 Luster

Silky

Vitreous, Adamantine

1.2 Pleochroism

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

Definite dichoric in yellow (yellow to orange-brown)

1.3 Dispersion

NA0.04

0.007 1

1.4 Transparency

Translucent

Translucent, Transparent

1.5 Refractive Index

1.752-1.8151.918-1.936

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

tetragonal

1.8 Birefringence

0.0630.016

0 0.296

1.9 Clarity

Translucent

Shattuckite and Scheelite Optic Character

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

Similar to their colors, Shattuckite and Scheelite 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.