So You Found a Shiny Black Rock: 6 Things it Might Be
Metal Detecting; Find Gold; Cool Discoveries; About; So You Found a Shiny Black Rock: 6 Things it Might Be. by David. This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases. You can read the full disclosure here. Different Types of Shiny Black Rock. Black rocks can be easily found in various places, including mountains and .