Liddicoatite and Scheelite Optical Properties

Liddicoatite

Scheelite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Adamantine

1.2 Pleochroism

Strong: dark brown light brownAnthony et al

Definite dichoric in yellow (yellow to orange-brown)

1.3 Dispersion

NA0.04

0.007 1

1.4 Transparency

Transparent

Translucent, Transparent

1.5 Refractive Index

Not Available1.918-1.936

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

Not Available0.016

0 0.296

1.9 Clarity

Transparent

Translucent

Liddicoatite and Scheelite Optic Character

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

Similar to their colors, Liddicoatite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.