Six Western Australians have made it into the top 20 of the 2009 BRW rich list with iron ore heiress Gina Rinehart taking the state's number one spot from iron magnate Andrew Forrest.

Six Western Australians have made it into the top 20 of the 2009 BRW rich list with iron ore heiress Gina Rinehart taking the state's number one spot from iron magnate Andrew Forrest.