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	{{chembox		{{chembox
			| Watchedfields = changed
	| verifiedrevid = 402380286		| verifiedrevid = 402382106
⚫	| Name = Manganese(II) carbonate
	| ImageFile = Manganese(II)-carbonate-sample.jpg		| Name = Manganese(II) carbonate
			| ImageFile1 = Calcium-carbonate-xtal-3D-SF.png
		⚫	| ImageFile2 = Manganese (II) Carbonate.jpg
	| ImageSize =		| ImageSize =
	| ImageName = Impure sample of MnCO<sub>3</sub>		| ImageName = Impure sample of MnCO<sub>3</sub>
	| IUPACName = Manganese(II) carbonate		| IUPACName = Manganese(II) carbonate
	| OtherNames =		| OtherNames =
	| Section1 = {{Chembox Identifiers		|Section1={{Chembox Identifiers
	| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}		| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
	| ChemSpiderID = 11233		| ChemSpiderID = 11233
	| UNII_Ref = {{fdacite|correct|FDA}}		| UNII_Ref = {{fdacite|correct|FDA}}
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	| StdInChIKey = XMWCXZJXESXBBY-UHFFFAOYSA-L		| StdInChIKey = XMWCXZJXESXBBY-UHFFFAOYSA-L
	| CASNo = 598-62-9		| CASNo = 598-62-9
	| CASNo_Ref = {{cascite|correct|CAS}}		| CASNo_Ref = {{cascite|correct|CAS}}
	| PubChem = 11726		| PubChem = 11726
			| EINECS = 209-942-9
			| RTECS =
	}}		}}
	| Section2 = {{Chembox Properties		|Section2={{Chembox Properties
	| Formula = MnCO<sub>3</sub>		| Formula = MnCO<sub>3</sub>
	| MolarMass = 114.9469 g/mol		| MolarMass = 114.95 g mol<sup>−1</sup>
	| Appearance = brown solid		| Appearance = White to faint pink solid
	| Density = 3.70 g/cm<sup>3</sup>		| Density = 3.12 g/cm<sup>3</sup>
	| Solubility = negligible		| Solubility = negligible
	| SolubilityProduct = 2.24 x 10<sup>-11</sup>		| SolubilityProduct = 2.24 x 10<sup>−11</sup>
			| SolubleOther = soluble in dilute acid, ] <br> insoluble in ], ]
	| MeltingPt = decomp. 200 °C
			| MeltingPtC = 200-300
⚫	| BoilingPt =
			| MeltingPt_notes = <br> decomposes<ref name="sigma">{{Sigma-Aldrich|id=377449|name=Manganese(II) carbonate|accessdate=2014-05-06}}</ref><ref name=chemister />
⚫	| RefractIndex = 1.597 (589nm, 20°C)
		⚫	| BoilingPt =
		⚫	| RefractIndex = 1.597 (20 °C, 589 nm)
			| MagSus = +11,400·10<sup>−6</sup> cm<sup>3</sup>/mol
	}}		}}
	| Section3 = {{Chembox Structure		|Section3={{Chembox Structure
	| Coordination =		| Coordination =
	| CrystalStruct = hexagonal-rhombohedral		| CrystalStruct = hexagonal-rhombohedral
	| Dipole =		| Dipole =
	}}		}}
	| Section7 = {{Chembox Hazards		|Section4={{Chembox Thermochemistry
			| HeatCapacity = 94.8 J/mol·K<ref name=chemister>{{Cite web|url=http://chemister.ru/Database/properties-en.php?dbid=1&id=3854|title = Manganese(II) carbonate}}</ref>
	| ExternalMSDS =
			| Entropy = 109.5 J/mol·K<ref name=chemister />
	| EUIndex = Not listed
			| DeltaHf = -881.7 kJ/mol<ref name=chemister />
⚫	| MainHazards =
			| DeltaGf = -811.4 kJ/mol<ref name=chemister />
⚫	| FlashPt = Non-flammable
			| DeltaHc =
			}}
			|Section7={{Chembox Hazards
			| ExternalSDS =
		⚫	| MainHazards =
		⚫	| FlashPt = Non-flammable
	}}		}}
	| Section8 = {{Chembox Related		|Section8={{Chembox Related
	| OtherAnions =		| OtherAnions =
	| OtherCpds =		| OtherCompounds =
	}}		}}
	}}		}}
	'''Manganese carbonate''' is a ] with the ] ]]]<sub>3</sub>. Manganese carbonate occurs naturally as the ] ]. Approximately 20,000 metric tonnes were produced in 2005.<ref name=Reidies>Arno H. Reidies "Manganese Compounds" Ullmann's Encyclopedia of Chemical Technology 2007; John Wiley</ref>		'''Manganese carbonate''' is a ] with the ] ]]. Manganese carbonate occurs naturally as the ] ] but it is typically produced industrially. It is a pale pink, water-insoluble solid. Approximately 20,000 metric tonnes were produced in 2005.<ref name=Reidies>{{cite encyclopedia|author=Arno H. Reidies|title=Manganese Compounds|encyclopedia=Ullmann's Encyclopedia of Industrial Chemistry|year=2007|publisher= Wiley-VCH|place=Weinheim|doi=10.1002/14356007.a16_123|isbn=978-3527306732}}</ref>
	==Production and uses==		==Structure and production==
			MnCO<sub>3</sub> adopts a structure like ], consisting of manganese(II) ions in an ].<ref>{{cite journal|title=Structures of hydrothermally synthesized cobalt(II) carbonate and nickel(II) carbonate|author=Pertlik, F.|journal=Acta Crystallographica Section C|year=1986|volume=42|pages=4–5|doi=10.1107/S0108270186097524}}</ref>
⚫	Treatment of aqueous solutions of manganese(II) salts with alkali metal carbonates leads to precipitation of this faintly pink solid. The carbonate is insoluble in water but, like most carbonates, hydrolyses upon treatment with acids to give water-soluble salts.
			Treatment of aqueous solutions of manganese(II) nitrate with ammonia and carbon dioxide leads to precipitation of this faintly pink solid. The side product, ammonium nitrate is used as fertilizer.
⚫	Manganese carbonate decomposes with release of ] at 200 °C to give ]:
			], the mineral form of MnCO<sub>3</sub>, is of practical value as well as sought by collectors.]]
⚫	:MnCO<sub>3</sub> → MnO + CO<sub>2</sub>
⚫	This method is sometimes employed in the production of ] for dry-cell batteries and for ]s.<ref name=Reidies/>
			==Reactions and uses==
		⚫	The carbonate is insoluble in water but, like most carbonates, hydrolyses upon treatment with acids to give water-soluble salts.
		⚫	Manganese carbonate decomposes with release of ], i.e. ], at 200&nbsp;°C to give MnO<sub>1.88</sub>:
		⚫	:MnCO<sub>3</sub> + 0.44 O<sub>2</sub> → MnO<sub>1.8</sub> + CO<sub>2</sub>
		⚫	This method is sometimes employed in the production of ], which is used in dry-cell batteries and for ]s.<ref name=Reidies/>
	Manganese carbonate is widely used as an additive to plant fertilizers to cure manganese deficient crops. It is also used in health foods, in ceramics as a ] ] and flux, and in ].<ref></ref>		Manganese carbonate is widely used as an additive to plant fertilizers to cure manganese deficient crops. It is also used in health foods, in ceramics as a ] ] and flux, and in ].<ref></ref>
			It is used in medicine as a ].
	== Toxicity ==		== Toxicity ==
	Manganese is essential for aerobic life and its compounds are not highly toxic. Manganese poisoning, also known as ], may be caused by long-term exposure to manganese dust or fumes.		Manganese poisoning, also known as ], may be caused by long-term exposure to manganese dust or fumes.
	==See also==		==See also==
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	==References==		==References==
			{{reflist}}
	<references/>
			{{carbonates}}
	{{Manganese compounds}}		{{Manganese compounds}}
	]		]
	]		]
	]
	]
	]
	]
	]
	]
	]
	]