-
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 ****ociation with: zincite, willemite, franklinite, rhodonite,
jacobsite, diopside, gageite, bustamite, manganocalcite, glaucochroite, calcite...
- (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...
- Jáchymovite Jác
Jamborite Jbr
Jeppeite Jep
Johnsomervilleite Jsv
Julienite Jln
Jacobsite Jcb
Jamesite Jms
Jeremejevite Jer
Johntomaite Jtm
Jungite Jun Jacquesdietrichite...
- 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...
- rhodonite, sonolite, spessartine, tephroite, kutnohorite, manganhumite,
jacobsite,
kellyite and
alabandite in the Bald **** area. ****ociated
minerals include...
-
known for the
occurrence of
various minerals,
including hausmannite,
jacobsite, braunite, bustamite, and rhodonite. Evensen, Knut Harald, ed. (2010)...
- Ioi mine, ****an
rhodochrosite sonolite manganosite pyrochroite jacobsite hausmannite galaxite Wessels Mine,
South Africa rhodochrosite leucophoenicite...
