What is the difference between a rock and a mineral?
A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.
A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks include granite, basalt, limestone, and sandstone.
Learn more:
- Collecting Rocks
- USGS National Geologic Map Database (rock/geology maps)
- USGS Mineral Resources Online Spatial Data (mineral resources data/maps)
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Updated Date: November 7, 2024