×

Stibiotantalite
Stibiotantalite

Bastnsite
Bastnsite



ADD
Compare
X
Stibiotantalite
X
Bastnsite

Stibiotantalite and Bastnsite Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.37-2.451.72-1.82
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.08-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Stibiotantalite and Bastnsite Optic Character

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

Stibiotantalite and Bastnsite Transparency

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