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Ammolite
Ammolite

Alunite
Alunite



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Ammolite
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Alunite

Ammolite and Alunite Optical Properties

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1 Optical Properties
1.1 Luster
Silky, Vitreous
Vitreous, Pearly
1.2 Pleochroism
None
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.520-1.6701.572
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.135-0.1450.020
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Ammolite and Alunite Optic Character

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

Ammolite and Alunite Transparency

Similar to their colors, Ammolite and Alunite 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, Ammolite is Not Available while Ammolite is Not Available in appearance.