âOhio never left,â says venture capitalist Mark Kvamme, whose Columbus-based Drive Capital fund raised the second largest inaugural round of venture capital ever in 2013 ($250 million) betting on the Midwestâs frothing start-up ecosystem. âPeople just stopped paying attention.â.
A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by geological processes. A rock is an aggregate of one or more minerals whereas a rock may also include organic remains and mineraloids.or example, limestone is a sedimentary rock composed almost entirely of the mineral calcite. Other rocks contain many minerals, and the specific minerals in a rock can vary widely. Some minerals, like quartz, mica or feldspar are common, while others have been found in only one or two locations worldwide.
1 Comparing minerals and rocks.  Students list the difference between rocks and minerals. The Rock Cycle is a very important concept for children to understand. It is a model which explains how one type of rock can become another type of rock if the environment where the rock lives changes.