×

Cacoxenite
Cacoxenite

Stibiotantalite
Stibiotantalite



ADD
Compare
X
Cacoxenite
X
Stibiotantalite

Cacoxenite and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Adamantine
1.2 Pleochroism
visible: O = Pale yellow E = Canary yellow to yellow orange
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.575-1.5852.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
Not Available0.08
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Cacoxenite and Stibiotantalite Optic Character

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

Cacoxenite and Stibiotantalite Transparency

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