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Smithsonite
Smithsonite

Amethyst
Amethyst



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Smithsonite
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Amethyst

Smithsonite and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
None
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Transparent to translucent
1.5 Refractive Index
1.620-1.8501.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.223-0.2270.009
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Smithsonite and Amethyst Optic Character

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

Similar to their colors, Smithsonite and Amethyst 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.