Home
Gemstones


Thomsonite and Pearl Optical Properties


Pearl and Thomsonite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Pearly   

Pleochroism
NilArthur Thomas   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Translucent   
Translucent, Opaque   

Refractive Index
1.510-1.550   
1.52-1.66   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.015-0.020   
0.156   

Clarity
Translucent   
Translucent   

Benefits >>
<< Physical Properties

Thomsonite and Pearl Optic Character

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

Compare White Gemstones

Thomsonite and Pearl Transparency

Similar to their colors, Thomsonite and Pearl 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, Thomsonite is Translucent while Thomsonite is Translucent in appearance.

White Gemstones

White Gemstones


Compare White Gemstones