Earth: Origins and Geology – Minerals – Structure

Earth Science: Origins and Geology – Minerals – Structure Minerals—the basic ingredients of rock-provide many of our most important raw materials. They usually occur in the form of crystals, which have been treasured throughout history for their colorful variety and refractive properties. Crystals are solid substances whose ions, atoms, or molecules are arranged in a … Read more

Earth: Origins and Geology – Minerals – Formation

Earth Science: Rocks Humans have mined rocks and minerals since the Stone Age, using them as raw materials. Gems are frequently used for jewelry because of their form, color, and luster. The study of the origin, characteristics, and composition of rocks is known as petrology, while mineralogy studies the origin, characteristics, and composition of minerals. … Read more