Instant Index: Bruce Springsteen's Son Is a N.J. Firefighter Rare Blue Diamond Found in South Africa Mining company Petra Diamonds found a rare 29.6-carat blue diamond in South Africa in the Cullinan mine, near Pretoria, the nation's capital. In a statement, Jan. 21, 2014, Petra said it's a vivid blue with "extraordinary" tone and clarity. Bruce Springsteen's Son Is a N.J. Firefighter Bruce Springsteen's son Sam, 20, is now a New Jersey firefighter. He graduated last week from the Monmouth County Fire Academy and his mom, Patti Scialfa, shared a photo with #ourfamilyhero. Credit: @officialrumbledoll/Instagram