These days, we would call them proprietary blends. But in the late 1500s and early 1600s, individual alchemists called the ...

Hoard, J. L., and Stroupe, J. D., quoted in “Spectroscopic Properties of Uranium Compounds”, by G. H. Dieke and A. B. F. Duncan (McGraw-Hill, New York, 1949).

Australian tin exploration company Elementos has completed a definitive feasibility study (DFS) at its Oropesa tin project in Cordoba Province, Andalucia, Spain, affirming the project's technical ...