Home
Gemstones


Coral and Anthophyllite Optical Properties


Anthophyllite and Coral Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
AbsentWalter Schumann   
When Fe-rich   

Dispersion
None   
Not Available   

Transparency
Translucent   
Transparent   

Refractive Index
1.486-1.658   
1.603-1.690   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Trigonal   
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma   

Birefringence
0.160-0.172   
Not Available   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Coral and Anthophyllite Optic Character

Coral and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Coral and Anthophyllite 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 Coral and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Compare Birthstones

Coral and Anthophyllite Transparency

Similar to their colors, Coral and Anthophyllite 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, Coral is Translucent while Coral is Translucent in appearance.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones