×

Antigorite
Antigorite

Bastnasite
Bastnasite



ADD
Compare
X
Antigorite
X
Bastnasite

Antigorite and Bastnasite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Waxy, Silky, Resinous, Greasy
pale greenish yellow
0.02
Translucent
1.530-1.575
-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
-9999
Translucent
 
Vitreous, Greasy, Pearly
Faint
0.02
-
1.717-1.722
-
Hexagonal
0.100
TransparentUlrich Henn and Claudio C. Milisenda

Antigorite and Bastnasite Optic Character

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

Antigorite and Bastnasite Transparency

Similar to their colors, Antigorite and Bastnasite 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, Antigorite is while Antigorite is in appearance.