Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78. Platinum has six naturally occurring isotopes. It is the least reactive metal. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for 80% of the world production.
Seems like I've read that somewhere before. Oh, yeah from this Platinum Coin and this one was not Pre-Mined and it's SHA-256 and not quark.
https://cryptocointalk.com/topic/3209-platinum-coin-ptc-release-info/