Althofen, Austria/althofen274
Previous | Home | NextDuring his researches on casseiopeium, Welsbach also discovered a new element which he called "aldebarium" (ytterbium). Here is an original sample of "aldebarium oxide." In this case the original discovery of ytterbium legitimately goes to Marignac of Geneva, who had discovered the element thirty years earlier (1878).
