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...

Bixbyite, (FeIII,MnIII)2O3, a manganese(III) iron(III) oxide mineral Jacobsite, MnIIFeIII2O4, a manganese(II) iron(III) oxide mineral Columbite, (FeII...

occurs in association with: zincite, willemite, franklinite, rhodonite, jacobsite, diopside, gageite, bustamite, manganocalcite, glaucochroite, calcite...

1,500-2,900 siderite 1,300-11,000 chromite 3,000-120,000 orthopyroxene 1,500-1,800 fayalite 5,500 olivine 1,600 jacobsite 25,000 franklinite 450,000...

(synonym of vesuvianite) Iolite (a gem-quality variety of cordierite) Jacobsite Jadarite Jadeite Jaffeite Jalpaite Jamesonite Janggunite Jarosewichite...

Iron spinels: Cuprospinel: CuFe2O4 Franklinite: (Fe,Mn,Zn)(Fe,Mn)2O4 Jacobsite: MnFe2O4 Magnesioferrite: MgFe2O4 Magnetite: FeFe2O4, where one Fe is...

rhodonite, sonolite, spessartine, tephroite, kutnohorite, manganhumite, jacobsite, kellyite and alabandite in the Bald Knob area. Associated minerals include...

Jáchymovite Jác Jamborite Jbr Jeppeite Jep Johnsomervilleite Jsv Julienite Jln Jacobsite Jcb Jamesite Jms Jeremejevite Jer Johntomaite Jtm Jungite Jun Jacquesdietrichite...

iron oxide for red hues, calcium carbonate, iron magnetite and manganese Jacobsite ores for black and calcium silicate for white. The black pigment, which...

Ioi mine, Japan rhodochrosite sonolite manganosite pyrochroite jacobsite hausmannite galaxite Wessels Mine, South Africa rhodochrosite leucophoenicite...

ferrite), or manganese (MnFe2O4) which occurs naturally as the mineral jacobsite. Less often bismuth, strontium, zinc as found in franklinite, aluminum...

known for the occurrence of various minerals, including hausmannite, jacobsite, braunite, bustamite, and rhodonite. Evensen, Knut Harald, ed. (2010)...

Nichromite, 05 Zincochromite, 05 Magnetite, 05 Cuprospinel, 05 Franklinite, 05 Jacobsite, 05 Magnesioferrite, 05 Trevorite, 05 Brunogeierite, 05 Coulsonite, 05...

of cobalt that in its ore form had a higher composition of MnFe 2O 4 (Jacobsite) rather than Fe 3O 4 (Iron(II,III) oxide). Due to the Middle Eastern demand...

the discovery of numerous new mineral species; faujasite, bertrandite, jacobsite and alluaudite, to name a few. In 1854 he named the mineral descloizite...

areas show a very complex mineral assemblage (including braunite and jacobsite), while distal areas have a lower grade ore consisting predominantly of...

calcite, native copper, forsterite, hausmannite, hedyphane, ingersonite, jacobsite, phlogopite, and svabite. Cations and anions in filipstadite occupy 1⁄8...

resources that were traded included iron magnetite ore and manganese Jacobsite ore, which came into play later in the Cucuteni-Trypillia culture's development...

Sweden Barite, bementite, brandtite, calcite, lead Sjö mine, Sweden Jacobsite, katoptrite, magnetite, tephroite Ködnitz Valley, Austria Pyroxmangite...

publications were available. Jáchymovite (IMA1994-025) 7.EA.10 [1] [2] [3] Jacobsite (spinel, spinel: IMA1982 s.p., 1869) 4.BB.05 [4] [5] [6] (IUPAC: manganese(II)...

Caryopilite has been found in association with brandtite, calcite, gonyerite, jacobsite, lead, manganoan calcite, rhodonite, sarkinite, tirodite. Caryopilite...

Hercynite Fe2+Al2O4, Gahnite ZnAl2O4 Iron subgroup Magnesioferrite MgFe3+2O4, Jacobsite (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4, Magnetite Fe2+(Fe3+)2O4, Franklinite (Zn...