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File:Niobium crystals and 1cm3 cube.jpg


Deutsch: Reinste (99,995 % = 4N5) Niob-Kristalle, elektrolytisch hergestellt, sowie für den Größenvergleich ein reiner (99,95 % = 3N5) 1 cm3 anodisch oxidierter Niob-Würfel
English: High purity (99.995 % = 4N5) niobium crystals, electrolytic made, as well as a high purity (99.95 % = 3N5) 1 cm3 anodized niobium cube for comparison.
Français : Cristaux de niobium à haute pureté (99.995 % = 4N5), formés par électrolyse, à coté d'un cube d'1 cm3 de haute pureté(99.95 % = 3N5) de niobium anodisé, pour comparaison.
Polski: Kryształy niobu o czystości 99,995 % = 4N5 otrzymane elektrolitycznie, oraz sześcian anodowany i wykonany z niobu o czystości 99,95 % = 3N5.
Date 29 May 2010
Source Own work
Author Alchemist-hp ( talk) (
Camera Model Canon 5D Mark II
Lens Canon EF 100mm
Notes made by focus stacking software from 21x single shots
Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 21 images..


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English: High purity (99.995 % = 4N5) niobium crystals, electrolytic made, as well as a high pure (99,95 % = 3N5) 1 cm3 anodized niobium cube for comparison.


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