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Jacobsite is a manganese iron oxide mineral. It is in the spinel group and forms a solid solution series with magnetite. The chemical formula is (Mn,Mg)Fe2O4 or with oxidation states and substitutions: (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4. It occurs as a primary phase or as alteration of other manganese minerals during metamorphism of manganese deposits. Typical associated minerals include hausmannite, galaxite, braunite, pyrolusite, coronadite, hematite and magnetite. It is a ferrimagnetic substance, which is weakly attracted by a magnet.

AttributesValues
rdf:type
rdfs:label
  • Jacobsita (ca)
  • Jakobsit (cs)
  • Jakobsit (de)
  • Jacobsita (es)
  • Jacobsita (eu)
  • Jacobsite (it)
  • Jacobsite (en)
  • Jacobsite (fr)
  • Якобсит (ru)
  • Jakobsit (sv)
  • Якобсит (uk)
rdfs:comment
  • La jacobsita és un mineral de la classe dels òxids, que va rebre el seu nom l'any 1869 per Augustin Alexis Damour de la seva localitat tipus, la mina Jakobsberg, a Värmland (Suècia). Pertany al grup de l'espinel·la de minerals. (ca)
  • Jakobsit (Damour, 1869), chemický vzorec (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4, je krychlový minerál ze skupiny spinelidů. Nazván podle lokality ve Švédsku. (cs)
  • La jacobsita es un mineral de la clase de los minerales óxidos, y dentro de esta pertenece al llamado "grupo de la espinela". Fue descubierta en 1869 en la mina Jakobsberg en el municipio de , en la provincia de Värmland (Suecia), siendo nombrado así por el nombre de dicha mina. (es)
  • Jacobsita oxido motako minerala da eta spinel subtaldearen kidea da. (eu)
  • La jacobsite est un minéral essentiellement composé d'un oxyde de fer (ferrique) et de manganèse (manganeux), de formule chimique MnIIFeIII2O4. Elle a été définie en 1869 par Augustin Alexis Damour, et nommée d'après son topotype, la mine de Jakobsberg (comté de Stockholm, Suède). (fr)
  • La jacobsite è un minerale. (it)
  • Jakobsit är ett mineral tillhörande magnetitserien i gruppen spineller. Jakobsit är ett manganoferrit eller manganmagnetit med kemiska sammansättningen MnFe2O4, bildande svarta oktaedriska kristaller eller rundade korn. Mineralet har påträffats vid Jakobsberg i Nordmark i Värmland och andra järngruvor, och har även använts som manganmalm. Namnet är bildat 1869 av den franske mineralogen Alexis Damour. (sv)
  • Якобсит (англ. Jacobsite) — минерал, сложный оксид из группы шпинели. Назван по месту обнаружения — , Швеция. (ru)
  • Якобсит (рос. якобсит; англ. jacobsite; нім. Jacobsit m) — мінерал, оксид мангану і оксид заліза координаційної будови. Гр. шпінелі (феришпінелі). Названий за родовищем Якобсберґ (A.Damour, 1869). (uk)
  • Jakobsit ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Oxide und Hydroxide“ mit der idealisierten chemischen Zusammensetzung Mn2+Fe3+2O4 und ist damit chemisch gesehen ein Mangan-Eisen-Oxid. Strukturell gehört Jakobsit zur Gruppe der Spinelle. Mit Magnetit (Fe2+(Fe3+)2O4) bildet Jakobsit eine lückenlose Mischkristallreihe. (de)
  • Jacobsite is a manganese iron oxide mineral. It is in the spinel group and forms a solid solution series with magnetite. The chemical formula is (Mn,Mg)Fe2O4 or with oxidation states and substitutions: (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4. It occurs as a primary phase or as alteration of other manganese minerals during metamorphism of manganese deposits. Typical associated minerals include hausmannite, galaxite, braunite, pyrolusite, coronadite, hematite and magnetite. It is a ferrimagnetic substance, which is weakly attracted by a magnet. (en)
foaf:name
  • Jacobsite (en)
name
  • Jacobsite (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Jacobsite-cktsr-15a.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Jacobsite-d05-134a.jpg
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