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 of the Aurum Solis". Jean-Louis de Biasi, an author and philosopher born in Southern France, has been involved in the Mystery Traditions for the past forty years. He has been Grand Master of Ordo Aurum Solis since 2003, as shown on the Order Aurum Solis' website. De Biasi has written books on the Ogdoadic Tradition, the Tarot, the aura, and Freemasonry. As per his website, he now seems to be actively writing books in English. He wrote "Secrets and Practices of the Freemasons: Sacred Mysteries, Rituals and Symbols Revealed" and has written two books directly related to Ordo Aurum Solis: