Home
Gemstones


Danburite and Paraiba Optical Properties


Paraiba and Danburite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Not Available   

Pleochroism
Weak: pale yellow yellow   
Not Available   

Dispersion
0.02   
22
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Not Available   

Refractive Index
1.627-1.639   
1.618-1.643   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.006   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Not Available   

Benefits >>
<< Physical Properties

Danburite and Paraiba Optic Character

Danburite and Paraiba optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Danburite and Paraiba 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 Danburite and Paraiba 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. Danburite has Biaxial/+ character.

Compare Yellow Gemstones

Danburite and Paraiba Transparency

Similar to their colors, Danburite and Paraiba 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, Danburite is Gemmological Tables (2004) More from other references while Danburite is Gemmological Tables (2004) More from other references in appearance.

Yellow Gemstones

Yellow Gemstones


Compare Yellow Gemstones