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Zincite
Zincite

Smithsonite
Smithsonite



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Zincite
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Smithsonite

Zincite and Smithsonite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Resinous
Vitreous, Pearly
1.2 Pleochroism
Very weak
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Translucent
1.5 Refractive Index
2.013-2.0291.620-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.0160.223-0.227
Achroite
0 0.296
1.9 Clarity
TransparentRobert C. Kammerling
Translucent

Zincite and Smithsonite Optic Character

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

Zincite and Smithsonite Transparency

Similar to their colors, Zincite 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, Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling while Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling in appearance.