Home
Gemstones


Jeremejevite and Covellite Optical Properties


Covellite and Jeremejevite Optical Properties


Optical Properties

Luster
Vitreous   
Resinous   

Pleochroism
Colorless   
Marked   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   

Refractive Index
1.638-1.650   
1.45-2.62   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Hexagonal   

Birefringence
0.0130   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
OpaqueAnthony et al   

Benefits >>
<< Physical Properties

Jeremejevite and Covellite Optic Character

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

Jeremejevite and Covellite Transparency

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

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones