Instructional module focusing on the physical properties of minerals. Discussion includes the identifying characteristics such as color, hardness, luster, crystal forms, density, and cleavage. Site also includes an interactive practice...

Instructional module focusing on the Silicate minerals. Discussion includes the most common minerals on Earth such as quartz, feldspar, mica, amphibole, pyroxene, and olivine. Site also includes an interactive practice quiz and links...

The Gravestone Project, part of the global citizen science program called EarthTrek, seeks volunteers to visit cemeteries around the world and collect scientific data on how marble gravestones are weathering.

[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.

Occupational health and safety specialists inspect workplaces to be sure all safety standards are followed. This is particularly important in dangerous jobs such as coal miners, but potential hazards can be found in all occupations. This...

[Free Registration/Login may be required to access all resource tools.] Presents the classifications of igneous rocks based on silica content.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about rocks and their properties. Includes a few questions to check for understanding.