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2025-02-18T04:47:28Z

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			== Silicate ==
			<gallery>
			File:Orthosilicate-2D-dimensions.png\|Orthosilicate 2D dimensions
			File:Silicate-single-chain-plan-view-2D.png\|Silicate single chain plan view 2D
			File:Na2SiO3idealized.png\|Na2SiO3 idealized
			File:Silicate-double-chain-plan-view-2D.png\|Silicate double chain plan view 2D
			File:Silicate-sheet-3D-polyhedra.png\|Silicate sheet 3D polyhedra
			</gallery>

Prab: CSV import

2024-02-25T13:57:57Z

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'''Silicate''' is a term used in [[chemistry]] to denote a compound containing an [[anionic]] silicon compound. It is the most abundant group of minerals in the [[Earth's crust]] and includes minerals like [[quartz]], [[feldspar]], and [[mica]]. Silicates are also present in [[water]] and the [[atmosphere]], and are a major component of many [[rock]] types.

== Structure and bonding ==
Silicates are based on the [[tetrahedral]] [[SiO4]] unit, where a central silicon atom is surrounded by four oxygen atoms. This structure can form extended networks, as the oxygen atoms can bond to other silicon atoms. This leads to the formation of various structures, such as chains, sheets, and three-dimensional frameworks.

== Types of silicates ==
Silicates can be classified into several types based on their structure:

* '''Nesosilicates''' or '''island silicates''': These have isolated [[SiO4]] tetrahedra that are not connected to each other. Examples include [[olivine]] and [[garnet]].

* '''Sorosilicates''' or '''double island silicates''': These have two [[SiO4]] tetrahedra sharing one oxygen atom. An example is [[axinite]].

* '''Cyclosilicates''' or '''ring silicates''': These have rings of [[SiO4]] tetrahedra. Examples include [[tourmaline]] and [[beryl]].

* '''Inosilicates''' or '''chain silicates''': These have chains of [[SiO4]] tetrahedra. Examples include [[pyroxene]] and [[amphibole]].

* '''Phyllosilicates''' or '''sheet silicates''': These have sheets of [[SiO4]] tetrahedra. Examples include [[mica]] and [[clay minerals]].

* '''Tectosilicates''' or '''framework silicates''': These have three-dimensional frameworks of [[SiO4]] tetrahedra. Examples include [[quartz]] and [[feldspar]].

== Uses of silicates ==
Silicates are used in a wide range of applications. They are used in the manufacture of [[glass]], [[ceramics]], and [[cement]]. They are also used in [[insulation]] materials, [[abrasives]], and [[sealants]]. In addition, silicates are used in [[agriculture]] as soil conditioners and in [[water treatment]] processes.

== See also ==
* [[Silicon]]
* [[Mineral]]
* [[Rock (geology)]]

== References ==
<references />

[[Category:Chemical compounds]]
[[Category:Minerals]]
[[Category:Geology]]
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Silicate - Revision history

Prab: CSV import

Prab: CSV import