Home
Gemstones


Jadeite and Astrophyllite Optical Properties


Astrophyllite and Jadeite Optical Properties


Optical Properties

Luster
Pearly   
Greasy, Pearly   

Pleochroism
NilArthur Thomas   
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Translucent   

Refractive Index
1.652-1.688   
1.678-1.758   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Triclinic   

Birefringence
0.013-0.020   
0.050   

Clarity
Translucent   
Translucent   

Benefits >>
<< Physical Properties

Jadeite and Astrophyllite Optic Character

Jadeite and Astrophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Jadeite and Astrophyllite 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 Jadeite and Astrophyllite 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 Red Gemstones

Jadeite and Astrophyllite Transparency

Similar to their colors, Jadeite and Astrophyllite 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, Jadeite is Translucent while Jadeite is Translucent in appearance.

Red Gemstones

Red Gemstones


Compare Red Gemstones