Precious metals are rare, naturally occurring metallic chemical elements of high economic value. Precious metals, particularly the noble metals, are more corrosion r… See more

A metal is deemed to be precious if it is rare. The discovery of new sources of ore or improvements in … See more

Aluminium is now commonplace but was considered to be a precious metal until the late 1800s. Although aluminium is the third most abundant element and most abundant metal in th… See more

^ Platinum Guild: Applications Beyond Expectation Archived 2009-05-03 at the Wayback Machine ^ "1 Tonne Gold Coin". www.perthmint.com.au. Archived from the original on … See more