Home
Gemstones


Lawsonite and Covellite Optical Properties


Covellite and Lawsonite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Resinous   

Pleochroism
Weak   
Marked   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   

Refractive Index
1.672-1.676   
1.45-2.62   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Hexagonal   

Birefringence
0.019-0.021   
Not Available   

Clarity
Not Available   
OpaqueAnthony et al   

Benefits >>
<< Physical Properties

Lawsonite and Covellite Optic Character

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

Lawsonite and Covellite Transparency

Similar to their colors, Lawsonite 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, Lawsonite is Not Available while Lawsonite is Not Available in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones