Home
Gemstones


Augite and Phlogopite Optical Properties


Phlogopite and Augite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Pearly   

Pleochroism
Pale green   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Not Available   

Refractive Index
1.671-1.774   
1.530-1.573   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   
monoclinic   

Birefringence
Not Available   
0.0280-0.0450   

Clarity
Transparent   
Not Available   

Benefits >>
<< Physical Properties

Augite and Phlogopite Optic Character

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

Augite and Phlogopite Transparency

Similar to their colors, Augite and Phlogopite 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, Augite is Translucent and Transparent while Augite is Translucent and Transparent in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones