Precious metal Precious metal A precious metal is a rare, naturally occurring metallic chemical element of high economic value. Chemically, the precious metals tend to be less reactive than most elements (see noble metal). They are usually ductile and have a high lustre. Historically, precious metals were important as currency but are now regarded mainly as investment and industrial commodities. Gold, silver, platinum, and palladium each have an ISO 4217 currency code. The best known precious metals are the coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art, jewelry, and
Ordo Aurum Solis such as the "Llewellyn Practical Guide to Astral Projection" and "Llewellyn Practical Guide to Creative Visualization", as well as their seminal work (reprinted in three volumes) outlining the philosophy and practices of Ordo Aurum Solis: "The Magical Philosophy". Despite a few similarities to the Hermetic Order of the Golden Dawn, some of its descendants, various Thelemic orders, and other groups stemming from the Rosicrucian revival of the 19th century, Ordo Aurum Solis represents a distinct and unique system of magical philosophy and practice based on the Ogdoadic Tradition The Ogdoadic Tradition stems from the Mediterranean mystery religions of ancient Greece