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Astrophyllite
Astrophyllite

Ammolite
Ammolite



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Astrophyllite
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Ammolite

Astrophyllite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Silky, Vitreous
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.678-1.7581.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.0500.135-0.145
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Astrophyllite and Ammolite Optic Character

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

Similar to their colors, Astrophyllite and Ammolite 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.