Home
Gemstones


Anthophyllite and Narsarsukite Optical Properties


Narsarsukite and Anthophyllite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
When Fe-rich   
Weak; O = colorless to yellow; E = colorless to honey-yellow   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.603-1.690   
1.610-1.647   

Optic Character
Biaxial/+   
Not Available   

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

Birefringence
Not Available   
0.021   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Anthophyllite and Narsarsukite Optic Character

Anthophyllite and Narsarsukite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anthophyllite and Narsarsukite 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 Anthophyllite and Narsarsukite 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 Brown Gemstones

Anthophyllite and Narsarsukite Transparency

Similar to their colors, Anthophyllite and Narsarsukite 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones