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Hibschite
Hibschite

Stibiotantalite
Stibiotantalite



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Hibschite
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Stibiotantalite

Hibschite and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Semitransparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available2.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Not Available
1.8 Birefringence
Not Available0.08
Achroite
0 0.296
1.9 Clarity
TranslucentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda

Hibschite and Stibiotantalite Optic Character

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

Hibschite and Stibiotantalite Transparency

Similar to their colors, Hibschite 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, Hibschite is Semitransparent while Hibschite is Semitransparent in appearance.