Platinum
Platinum exists in higher abundances on the Moon and in meteorites. Correspondingly, platinum is found in slightly higher abundances at sites of bolide impact on Earth that are associated with resulting post-impact volcanism, and can be mined economically; the Sudbury Basin is one such example.
Platinum as an investment
The price of platinum changes along with its supply and demand; during periods of sustained economic stability and growth, the price of platinum tends to be as much as twice the price of gold; whereas, during periods of economic uncertainty, the price of platinum tends to decrease because of reduced demand, falling below the price of gold, partly due to increased gold prices. Platinum price peaked at US$2,252 per troy ounce in March 2008 driven on production concerns (brought about partly due to power delivery problems to South African mines). It subsequently fell to US$774 per troy ounce ($25/g) in November 2008. As of 15 October 2018, the platinum spot price in New York was $845.10 per ounce, compared to $1,222 per ounce for gold and $15.16 per ounce for silver. Platinum is traded in the spot market with the code "XPT". When settled in United States Dollars, the code is "XPTUSD". As of 3/4/2018, the price of platinum has fallen below the price of gold, platinum being valued at US$963 an ounce vis-à-vis gold at US$1322 an ounce, respectively.