Bhappu, a 50-year-old partner at private equity firm Resource Capital Funds, has known about rare earth minerals and Molycorp his whole life.

FORBES: The Money Man Behind America's Rare Earth Minerals

One of the greatest private equity deals going, an investment in Molycorp, belongs to little-known private equity firm Resource Capital Funds, headquartered in Denver.

FORBES: Magazine Article

"Everybody gets excited when Bob Friedland is pumping some stock, whether it makes sense or not, " says Ryan Bennett, principal at Resource Capital Funds, a Denver private equity group, who just returned from Mongolia.

FORBES: The Promoter