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Astrophyllite
Astrophyllite

Anglesite
Anglesite



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Astrophyllite
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Anglesite

Astrophyllite and Anglesite Optical Properties

Optical Properties

Luster

Greasy, Pearly
Adamantine

Pleochroism

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

Dispersion

0.120.04
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.678-1.7581.877-1.894
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.0500.017
0 0.296
👆🏻

Clarity

Translucent
Transparent

Astrophyllite and Anglesite Optic Character

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

Similar to their colors, Astrophyllite and Anglesite 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.