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Sussexite
Sussexite

Vivianite
Vivianite



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Sussexite
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Vivianite

Sussexite and Vivianite Optical Properties

1 Optical Properties
1.1 Luster
Fibrous, Pearly
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
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
Not Available1.560-1.640
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.054-0.075
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Sussexite and Vivianite Optic Character

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

Sussexite and Vivianite Transparency

Similar to their colors, Sussexite 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, Sussexite is Transparent while Sussexite is Transparent in appearance.