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Scheelite
Scheelite

Bustamite
Bustamite



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Scheelite
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Bustamite

Scheelite and Bustamite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
Weak
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
Transparent, Translucent
1.5 Refractive Index
1.918-1.9361.662-1.707
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Triclinic
1.8 Birefringence
0.0160.013-0.015
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Scheelite and Bustamite Optic Character

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

Similar to their colors, Scheelite and Bustamite 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.