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This is a list of minerals which have Wikipedia articles. ... Rock crystal (quartz) Rose quartz (pink variety of quartz) Roumanite (amber) Ruby (red gem corundum) S
Use of old mineral names is also discontinued, for example when a name is no longer considered valid. Therefore, a list of recognised mineral species is never complete. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species.
An example of a series of mineral reactions is illustrated as follows. [58] Orthoclase feldspar (KAlSi 3 O 8) is a mineral commonly found in granite, a plutonic igneous rock. When exposed to weathering, it reacts to form kaolinite (Al 2 Si 2 O 5 (OH) 4, a sedimentary mineral, and silicic acid): 2 KAlSi 3 O 8 + 5 H 2 O + 2 H + → Al 2 Si 2 O 5 ...
List of rocks on Mars – Alphabetical list of named rocks and meteorites found on Mars; Rock cycle – Transitional concept of geologic time; List of rock formations: for a list of unusual or culturally significant rock outcrops; Leaverite – Rock in the field that looks interesting but is actually not
Most rocks contain silicate minerals, compounds that include silica tetrahedra in their crystal lattice, and account for about one-third of all known mineral species and about 95% of the earth's crust. [6] The proportion of silica in rocks and minerals is a major factor in determining their names and properties. [7]
Minerals in soils are found in two types; primary and secondary. [5] "A primary mineral has not been altered chemically since its crystallization from a cooling magma." [5] Additionally, a primary mineral is defined as a mineral that is found in soil but not formed in soil, whereas secondary minerals are formed during weathering of
Rocks with greater than 90% felsic minerals can also be called leucocratic, [4] from the Greek words for white and dominance. Felsite is a petrologic field term used to refer to very fine-grained or aphanitic , light-colored volcanic rocks which might be later reclassified after a more detailed microscopic or chemical analysis.
Thus, for example, quartz and stishovite are two different minerals consisting of the same compound, silicon dioxide. ( Full article... Mineralogy is a subject of geology specializing in the scientific study of the chemistry , crystal structure , and physical (including optical ) properties of minerals and mineralized artifacts .
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