Andesine and Scheelite Optical Properties

Andesine

Scheelite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Adamantine

1.2 Pleochroism

colorless.

Definite dichoric in yellow (yellow to orange-brown)

1.3 Dispersion

0.700.04

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Transparent

1.5 Refractive Index

1.543-1.5641.918-1.936

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

tetragonal

1.8 Birefringence

0.007-0.0110.016

0 0.296

1.9 Clarity

Transparent

Translucent

Andesine and Scheelite Optic Character

Andesine and Scheelite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

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Andesine and Scheelite Transparency

Similar to their colors, Andesine 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.