List of minerals - Wikipedia
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.
Mineral Varieties and Other Names A-Z - The Mineral and Gemstone Kingdom
Complete Information Guide to Rocks, Minerals, & Gemstones. Minerals. Minerals & Varieties. View All Minerals. View by Alphabetical Order. Varieties and Other Names. Mineral Search.
Minerals - Comprehensive guide to Rocks and Minerals - The Mineral …
Interactive guide to hundreds of rocks and minerals.
List of rock types - Wikipedia
The following is a list of rock types recognized by geologists. There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type.
Mineral Properties, Photos, Uses and Descriptions - Geology.com
Photos and information about 80 common rock-forming, ore and gemstone minerals from around the world.
Rocks: Pictures of Igneous, Metamorphic and Sedimentary Rocks - Geology.com
Photographs and information for a large collection of igneous, metamorphic and sedimentary rocks. Geology.com.
Mindat.org - Mines, Minerals and More
Mindat.org is the world's largest open database of minerals, rocks, meteorites and the localities they come from. Mindat.org is run by the not-for-profit Hudson Institute of Mineralogy.
Minerals 101 | U.S. Geological Survey - USGS.gov
Here is how the USGS defines each: 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.
The Mineral and Gemstone Kingdom: Home
The Mineral and Gemstone Kingdom is a free informational and educational guide to rocks, minerals, gemstones, and jewelry. This site has been providing detailed information and photos of hundreds of mineral and gemstone since 1997 and is one of the leading education resources on minerals and gemstones. Tweets by @mineralsnet.
Rock | Definition, Characteristics, Formation, Cycle, Classification ...
5 天之前 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. The three major classes of rock are igneous, sedimentary, and metamorphic rock.