April 2020
Intermediate to advanced
296 pages
5h 20m
English

Though cobalt’s famed for pigments blue where glass and glaze are treated,
Its ore (the “goblin” smaltite) spewed out arsenic fumes when heated.
To toughened steel and Alnico;
Essential to red blood cells’ stock, at B12’s heart it’s seated.
GROUP 9 TRANSITION METAL
Cobalt is synonymous with the color blue. But although cobalt is a shiny, hard, bluish-silvery metal, it’s often the striking cool blue of its chloride salt that catches the eye when used in pigments. Cobalt blue pigments have been used ...