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Canadian Ammolite
Canadian Ammolite

Vivianite
Vivianite



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Canadian Ammolite
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Vivianite

Canadian Ammolite and Vivianite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Transparent
1.5 Refractive Index
Not Available
1.560-1.640
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not Available
0.054-0.075
1.9 Clarity
Opaque
Transparent

Canadian Ammolite and Vivianite Optic Character

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

Canadian Ammolite and Vivianite Transparency

Similar to their colors, Canadian Ammolite and Vivianite 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, Canadian Ammolite is Opaque while Canadian Ammolite is Opaque in appearance.