Cobalt metal is solid and silvery-grey at normal pressure and temperature, Cobalt metal is a very hard material. Cobalt metal is ferromagnetic and ductile, which is very similar to iron metal, but is much rarer than this. It is used for magnets and for many different alloys. Cobalt blue, CoAl2O4, is one of the most important blue colorants for glass and ceramics. Also cobalt is part of the vitamin B12 and therefore is needed in small amounts in our food. Cobalt metal is another dangerous metal, must be handle with gloves and care.
Amazing Cobalt metal standard density cube 10x10x10mm, 99.99% pure. Sample weighs 8.8 grams which is the density of the Cobalt metal element. This cube is amazing for any science classrooms, schools, universities and collectors. Pure Cobalt metal cube for element collection.