Emery (mineral)

Emery is an abrasive of fine-grained mixture of corundum, magnetite, hematite and quartz as a natural rock deposits, especially on the island of Naxos.

In the emery grinding technology is now mostly replaced by synthetic corundum as an abrasive or silicon carbide. In loose form, it is still in the polishing of optical glass using.

The long world's leading company for the raw material Emery was Naxos - Union. The promotion took place on the Greek Cycladic island of Naxos. Greek is called the fine-grained mixture: Smyris; Italian: Smeriglio. Hence the name: Emery.

Applications: As the abrasive for machining and polishing of steel, cast iron and wood. Furthermore, there are polishing machines in which the sandpaper is glued to fire windows.

Synonymous with sandpaper sandpaper, the term is widely in use, even if it does not contain an emery.