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Wulfenite
Wulfenite

Stibiotantalite
Stibiotantalite



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Wulfenite
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Stibiotantalite

Wulfenite and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Resinous
Adamantine
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.280-2.4052.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.1220.08
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Wulfenite and Stibiotantalite Optic Character

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

Wulfenite and Stibiotantalite Transparency

Similar to their colors, Wulfenite and Stibiotantalite 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, Wulfenite is Transparent while Wulfenite is Transparent in appearance.