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Scheelite
Scheelite

Simpsonite
Simpsonite



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Scheelite
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Simpsonite

Scheelite and Simpsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Adamantine
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
NilArthur Thomas
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.918-1.9361.994-2.040
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.0160.046
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Scheelite and Simpsonite Optic Character

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

Scheelite and Simpsonite Transparency

Similar to their colors, Scheelite and Simpsonite 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.