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Stichtite
Stichtite

Vivianite
Vivianite



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Stichtite
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Vivianite

Stichtite and Vivianite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Resinous
Vitreous, Pearly
1.2 Pleochroism
Weak
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
Translucent
Transparent
1.5 Refractive Index
1.516-1.5441.560-1.640
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.0260.054-0.075
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Stichtite and Vivianite Optic Character

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

Stichtite and Vivianite Transparency

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