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Scheelite
Scheelite

Danburite
Danburite



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Scheelite
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Danburite

Scheelite and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous, Greasy
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
Weak: pale yellow yellow
1.3 Dispersion
0.040.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.918-1.9361.627-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.0160.006
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Scheelite and Danburite Optic Character

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

Scheelite and Danburite Transparency

Similar to their colors, Scheelite and Danburite 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.