Hematine
Encyclopedia
Hematine is an artificial magnetic material. Hematine is widely used in jewelry.
Although it is claimed by many that it is made from ground hematite or iron oxide
mixed with a resin
, analysis has demonstrated it to be an entirely artificial compound, a barium-strontium ferrite
.
Although it is claimed by many that it is made from ground hematite or iron oxide
Iron oxide
Iron oxides are chemical compounds composed of iron and oxygen. All together, there are sixteen known iron oxides and oxyhydroxides.Iron oxides and oxide-hydroxides are widespread in nature, play an important role in many geological and biological processes, and are widely utilized by humans, e.g.,...
mixed with a resin
Resin
Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives, and food glazing agents; as an important source of raw materials...
, analysis has demonstrated it to be an entirely artificial compound, a barium-strontium ferrite
Ferrite (magnet)
Ferrites are chemical compounds consisting of ceramic materials with iron oxide as their principal component. Many of them are magnetic materials and they are used to make permanent magnets, ferrite cores for transformers, and in various other applications.Many ferrites are spinels with the...
.