Bible Encyclopedias
Zirconium

The Nuttall Encyclopedia

A metallic element often found in connection with silica, commonly in the form of a black powder.

Bibliography Information
Wood, James, ed. Entry for 'Zirconium'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​z/zirconium.html. Frederick Warne & Co Ltd. London. 1900.