Lava rock and pea gravel are among the most popular types of landscaping rocks, followed by crushed granite, boulders, river rock, gravel, brick chips, marble rocks, and flagstone.

How To. Identify rocks and minerals. Mission. Successfully identify rocks and minerals. Briefing. A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils.

Germanium is used to make the semiconductors in cell phones. This silvery white, brittle element is commonly used in a host of electrical devices. The rare mineral is found in rock deposits of ...

Each type of mineral has a unique crystal structure, which results from its chemical composition and dictates a set of physical properties, such as hardness, color or magnetism, according to the ...

Minerals are the building blocks … for rocks. You may have heard of some of these types of minerals, like quartz, talc and calcite.

Currently, he is studying the properties of glacially transported sediment and rock deposited in the Lake Erie and Ontario basins. An expert on lunar and Martian geology, DiFrancesco has contributed ...