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- Jacobsite abstract "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 MnFe2O4 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 was first described in 1869 and named for the Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden.".
- Jacobsite thumbnail Jakobsit_-_Jakobsberg,_Schweden.jpg?width=300.
- Jacobsite wikiPageExternalLink 52.html.
- Jacobsite wikiPageID "3854018".
- Jacobsite wikiPageRevisionID "546684400".
- Jacobsite category Oxide_minerals.
- Jacobsite category Spinel_group.
- Jacobsite category "Spinel structural group".
- Jacobsite cleavage "{111}, probably a parting".
- Jacobsite color "Black to brownish black".
- Jacobsite diaphaneity "Opaque".
- Jacobsite formula "iron manganese oxide, MnFe2O4".
- Jacobsite fracture "Conchoidal".
- Jacobsite gravity "4.76".
- Jacobsite habit "Disseminated to massive, rarely as octahedral crystals".
- Jacobsite hasPhotoCollection Jacobsite.
- Jacobsite luster "Metallic".
- Jacobsite mohs "5.5".
- Jacobsite name "Jacobsite".
- Jacobsite opticalprop "Isotropic".
- Jacobsite refractive "~�2.3".
- Jacobsite streak "reddish black to brown".
- Jacobsite strunz "4".
- Jacobsite symmetry "Isometric".
- Jacobsite system "Isometric Hexoctahedral".
- Jacobsite twinning "Spinel law, flattened on {111} or lamellar".
- Jacobsite unitCell "a = 8.457 Å; Z = 8".
- Jacobsite wordnet_type synset-mineral-noun-1.
- Jacobsite subject Category:Iron_minerals.
- Jacobsite subject Category:Manganese_minerals.
- Jacobsite subject Category:Spinel_group.
- Jacobsite type Abstraction100002137.
- Jacobsite type IronMinerals.
- Jacobsite type ManganeseMinerals.
- Jacobsite type Material114580897.
- Jacobsite type Matter100020827.
- Jacobsite type Mineral114662574.
- Jacobsite type Part113809207.
- Jacobsite type PhysicalEntity100001930.
- Jacobsite type Relation100031921.
- Jacobsite type Substance100019613.
- Jacobsite type ChemicalSubstance.
- Jacobsite type Mineral.
- Jacobsite type ChemicalObject.
- Jacobsite type Thing.
- Jacobsite comment "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 MnFe2O4 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.".
- Jacobsite label "Jacobsita".
- Jacobsite label "Jacobsite".
- Jacobsite label "Jacobsite".
- Jacobsite sameAs Jakobsit.
- Jacobsite sameAs Jacobsita.
- Jacobsite sameAs Jacobsite.
- Jacobsite sameAs m.0b3fjn.
- Jacobsite sameAs Q2704887.
- Jacobsite sameAs Q2704887.
- Jacobsite sameAs Jacobsite.
- Jacobsite wasDerivedFrom Jacobsite?oldid=546684400.
- Jacobsite depiction Jakobsit_-_Jakobsberg,_Schweden.jpg.
- Jacobsite isPrimaryTopicOf Jacobsite.
- Jacobsite name "Jacobsite".