The Science: Earth Sciences: Geology: Rocks and Minerals: (Rockhounding Rocks and Minerals )

Rockhounding is the pursuit of colorful stones and minerals for collections, decorations, and making objects of art, including jewelry. Rockhounding Rocks and Minerals Geology Earth Sciences Science.

Amateur geology (known as rockhounding in the United States and Canada, and regionally known as rock hunting in southern Oregon ) is the recreational study and hobby of collecting rocks and mineral specimens from their natural environment. (wikipedia)