Australia Just Helped China's Nuclear Program — And Nobody Noticed Until Now

Fuente: International Business Times

Purest zirconium 99. 97%, two samples of crystal bar showing different surface textures, made by crystal bar process, as well as a highly pure (99,95 % = 3N5) 1 cm3 zirconium cube for comparison. The metal piece-photo was taken on a white glass plate.