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Poldervaartite
Poldervaartite

Smithsonite
Smithsonite



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Poldervaartite
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Smithsonite

Poldervaartite and Smithsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.634-1.6561.620-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.223-0.227
Achroite
0 0.296
1.9 Clarity
Transparent
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 and Smithsonite 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 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 Transparent while Poldervaartite is Transparent in appearance.