Nonetheless, diamonds in peridotite rarely endure the vacation for the surface.[66] One more prevalent supply that does preserve diamonds intact is eclogite, a metamorphic rock that typically varieties from basalt as an oceanic plate plunges in the mantle at a subduction zone.[twenty] The intense hardness of diamond in specific orientations https://open.spotify.com/episode/0OYrk3tapYBdf3BnfTJNMg