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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 .
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. Additionally, different classification systems exist for each major type of rock. [1]
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List of minerals recognized by the International Mineralogical Association; List of critical mineral raw materials; ... List of U.S. state minerals, rocks, stones and ...
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Cumberlandite is a specific type of plutonic rock called a melanocratic troctolite, or melatroctolite. [1] It is the state rock of Rhode Island and can be found in a 4-acre (0.016 km 2) lot in Cumberland, Rhode Island at Iron Mine Hill. [2] [3] Further traces can be found scattered throughout the Narragansett Bay watershed as far as Martha's ...
The largest group of minerals by far are the silicates, which are composed largely of silicon and oxygen, with the addition of ions such as aluminium, magnesium, iron and calcium. Some important rock-forming silicates include the feldspars , quartz , olivines , pyroxenes , amphiboles , garnets and micas .
Foid, a contraction of the term feldspathoid, is applied to any igneous rock containing up to 60% modal feldspathoid minerals. For example, a syenite with significant nepheline present can be termed a nepheline-bearing syenite or nepheline syenite , with the term nepheline replaceable by any foid mineral.