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Poudretteite
Poudretteite

Smithsonite
Smithsonite



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Poudretteite
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Smithsonite

Poudretteite and Smithsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Colorless
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.511-1.5321.620-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.0210.223-0.227
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Poudretteite and Smithsonite Optic Character

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

Poudretteite and Smithsonite Transparency

Similar to their colors, Poudretteite 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, Poudretteite is Gemmological Tables (2004) More from other references while Poudretteite is Gemmological Tables (2004) More from other references in appearance.