Home
Gemstones


Plumbogummite and Taaffeite Optical Properties


Taaffeite and Plumbogummite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous   

Pleochroism
None   
Weak   

Dispersion
Not Available   
0.02   
18

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

Refractive Index
1.653-1.688   
1.70-1.73   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
Not Available   
0.055   

Clarity
Not Available   
Color grading system   

Benefits >>
<< Physical Properties

Plumbogummite and Taaffeite Optic Character

Plumbogummite and Taaffeite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Plumbogummite and Taaffeite 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 Plumbogummite and Taaffeite 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 Blue Gemstones

Plumbogummite and Taaffeite Transparency

Similar to their colors, Plumbogummite and Taaffeite 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, Plumbogummite is Not Available while Plumbogummite is Not Available in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones