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Ammolite
Ammolite

Demantoid Garnet
Demantoid Garnet



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Ammolite
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Demantoid Garnet

Ammolite and Demantoid Garnet Optical Properties

1 Optical Properties
1.1 Luster
Silky, Vitreous
Not Available
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
1.520-1.6701.88-1.89
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.135-0.145Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Color grading system

Ammolite and Demantoid Garnet Optic Character

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

Similar to their colors, Ammolite and Demantoid Garnet 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.