Home
Gemstones


Covellite and Moss Agate Optical Properties


Moss Agate and Covellite Optical Properties


Optical Properties

Luster
Resinous   
Not Available   

Pleochroism
Marked   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   
TranslucentWalter Schumann, Gemstones of the world (2001)   

Refractive Index
1.45-2.62   
1.530-1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Not Available   

Birefringence
Not Available   
0.004   

Clarity
OpaqueAnthony et al   
TranslucentWalter Schumann   

Benefits >>
<< Physical Properties

Covellite and Moss Agate Optic Character

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

Covellite and Moss Agate Transparency

Similar to their colors, Covellite and Moss Agate 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, Covellite is Handbook of mineralogy (2001) More from other references and OpaqueAnthony et al while Covellite is Handbook of mineralogy (2001) More from other references and OpaqueAnthony et al in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones