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Dallasite
Dallasite

Scheelite
Scheelite



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Dallasite
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Scheelite

Dallasite and Scheelite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine
1.2 Pleochroism
Not Available
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.04
Rank: 12 (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Translucent, Transparent
1.5 Refractive Index
1.540
1.918-1.936
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
0.008-0.010
0.016
1.9 Clarity
Not Available
Translucent

Dallasite and Scheelite Optic Character

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

Dallasite and Scheelite Transparency

Similar to their colors, Dallasite 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, Dallasite is Not Available while Dallasite is Not Available in appearance.