Rock Cycle - Minerals (5B) Quantity in Basket: none Code: RC-M5B Price: $9.25 Shipping Weight: 2.00 pounds Quantity: Everyday objects that are derived from minerals. Module includes 1 piece of the following concrete, gypsum board, wall paper, iron ties, porcelain, silica gel, lead weights, pennies, and decorative rocks. (code RC-M5B)