DURING the progress of the work of Coster and Hevesy on the concentration and isolation of the new element hafnium (atomic number 72), the discovery of which was announced in NATURE of January 20, p.

THE black iron sand from New Zealand examined by Dr. Scott in 1915 in which, as he informed the Chemical Society at its meeting on February 1, he found a substance which he is now inclined to ...

Prospech Limited (“Prospech”) is pleased to announce a significant expansion of its Jokikangas Rare Earths and Hafnium Project in Finland. This follows an increase in global hafnium prices ...

Recent price rises in the commodities of hafnium and niobium have prompted multi-mineral explorer Prospech Ltd (ASX:PRS) to expand its Jokikangas project in Finland by incorporating the 4,852 ...