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Scheelite and Anglesite Optical Properties


Anglesite and Scheelite Optical Properties


Optical Properties

Luster
Vitreous, Adamantine   
Adamantine   

Pleochroism
Definite dichoric in yellow (yellow to orange-brown)   
NilArthur Thomas   

Dispersion
0.04   
12
0.04   
10

Transparency
Translucent, Transparent   
Transparent   

Refractive Index
1.918-1.936   
1.877-1.894   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Orthorhombic   

Birefringence
0.016   
0.017   

Clarity
Translucent   
Transparent   

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Scheelite and Anglesite Optic Character

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

Similar to their colors, Scheelite and Anglesite 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, Scheelite is Translucent and Transparent while Scheelite is Translucent and Transparent in appearance.

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Yellow Gemstones


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