×

Astrophyllite
Astrophyllite

Verdite
Verdite



ADD
Compare
X
Astrophyllite
X
Verdite

Astrophyllite and Verdite Optical Properties

Optical Properties

Luster

Greasy, Pearly
Vitreous, Silky

Pleochroism

Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Extreme

Dispersion

0.120.03
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.678-1.7581.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.050-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Astrophyllite and Verdite Optic Character

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

Astrophyllite and Verdite Transparency

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