Home
Gemstones


Omphacite and Coral Optical Properties


Coral and Omphacite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Weak: colorless -- very pale green -- very pale green   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
TranslucentAnthony et al, Handbook of mineralogy (2001)   
Translucent   

Refractive Index
1.662-1.723   
1.486-1.658   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.160-0.172   

Clarity
TranslucentAnthony et al   
Translucent   

Benefits >>
<< Physical Properties

Omphacite and Coral Optic Character

Omphacite and Coral optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Omphacite and Coral 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 Omphacite and Coral 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 Green Gemstones

Omphacite and Coral Transparency

Similar to their colors, Omphacite and Coral 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, Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al while Omphacite is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones