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Gedrite
Gedrite

Stibiotantalite
Stibiotantalite



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Gedrite
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Stibiotantalite

Gedrite and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Adamantine
1.2 Pleochroism
Weak to moderate
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
1.625-1.7182.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Not Available
1.8 Birefringence
Not Available0.08
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Gedrite and Stibiotantalite Optic Character

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

Gedrite and Stibiotantalite Transparency

Similar to their colors, Gedrite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.