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Franklinite
Franklinite

Ammolite
Ammolite



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Franklinite
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Ammolite

Franklinite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Silky, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
Not Available
1.520-1.670
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Trigonal
1.8 Birefringence
Not Available
0.135-0.145
1.9 Clarity
Translucent
Not Available

Franklinite and Ammolite Optic Character

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

Franklinite and Ammolite Transparency

Similar to their colors, Franklinite 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, Franklinite is Translucent while Franklinite is Translucent in appearance.

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