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Astrophyllite
Astrophyllite

Wavellite
Wavellite



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Astrophyllite
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Wavellite

Astrophyllite and Wavellite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Vitreous, Resinous, Pearly
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gems
1.5 Refractive Index
1.678-1.7581.518-1.561
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.0500.025
Achroite
0 0.296
1.9 Clarity
Translucent
Gems

Astrophyllite and Wavellite Optic Character

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

Similar to their colors, Astrophyllite and Wavellite 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.