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Pearl and Scheelite Optical Properties


Scheelite and Pearl Optical Properties


Optical Properties

Luster
Pearly   
Vitreous, Adamantine   

Pleochroism
AbsentWalter Schumann   
Definite dichoric in yellow (yellow to orange-brown)   

Dispersion
None   
0.04   
12

Transparency
Translucent, Opaque   
Translucent, Transparent   

Refractive Index
1.52-1.66   
1.918-1.936   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
tetragonal   

Birefringence
0.156   
0.016   

Clarity
Translucent   
Translucent   

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Pearl and Scheelite Optic Character

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

Similar to their colors, Pearl 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.

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