1 Thomas E. Garner, Zirconium and Hafnium Minerals, from ...
1 Thomas E. Garner, "Zirconium and Hafnium Minerals," from Industrial Minerals and Rocks, 6th ed., Society for Mining, Metallurgy, and Exploration, 1994, pp. . 2 Ibid. ... Zircon is used both for its properties as a mineral and as an ore of zirconium and hafnium. Zircon is a