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Smithsonite
Smithsonite

Riebeckite
Riebeckite



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Smithsonite
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Riebeckite

Smithsonite and Riebeckite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Silky
1.2 Pleochroism
AbsentWalter Schumann
X = blue
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.620-1.8501.680-1.698
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.223-0.2270.005-0.008
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Smithsonite and Riebeckite Optic Character

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

Smithsonite and Riebeckite Transparency

Similar to their colors, Smithsonite and Riebeckite 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, Smithsonite is Translucent while Smithsonite is Translucent in appearance.