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Poldervaartite
Poldervaartite

Smithsonite
Smithsonite



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Poldervaartite
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Smithsonite

Poldervaartite and Smithsonite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak: colorless light gray bluish grayAnthony et al
0.03
Transparent
1.634-1.656
-
-
-9999
Transparent
 
Vitreous, Pearly
-
0.01
Translucent
1.620-1.850
-
Trigonal
0.223-0.227
Translucent

Poldervaartite and Smithsonite Optic Character

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

Poldervaartite and Smithsonite Transparency

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