Watch Rock Odyssey: A Rocks & Minerals Revue Full Movie Free Online 123Movies. Share an exciting adventure with Sandy and Crystal as they go searching for "Mica's Magic Gemstone." Along the way to finding their treasure, they meet four very interesting characters: Mica - the tour guide, Sir Sediment - ruler of the sedimentary rocks, Iggy St. Igneous - guardian of the igneous rocks, and Matty Morphic - the metamorphic magician. Our characters use catchy songs to introduce Sandy and Crystal to the three major categories of rocks.