Magnetite : CSIRO Spectroscopy Database

Magnetite [ Fe^IIFe^III₂O₄ ]

Image of Magnetite

Magnetite specimen from Cerro Huañaquino, Potosí Department, Bolivia

Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Material properties

Formula	Fe^IIFe^III₂O₄
Abbreviation	Mag
Classifications	Spinel (subgroup), Iron(II,III) oxide
Member	Titanomagnetite
Luminescence emitter	Intrinsic
IMA Status	Grandfathered (pre-IMA), 1845
Search other databases	webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags	Mineral, Mixed oxide

Composition

Element	Atoms
Fe	3
O	4
Total:	7

Reference for Magnetite

Balberg & Pankove 1971

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Specimens of Magnetite

Name	Owner	Materials	Phase purity	Image	Spectra	Techniques
M0731 Magnetite	CSIRO	Hematite, Kaolinite, Magnetite (95.7%)	95.7	M0731 Magnetite Image of Magnetite, Hematite and Kaolinite in specimen 'M0731 Magnetite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M0732 Magnetite	CSIRO	Actinolite, Cummingtonite, Fe2+, Magnetite (92.8%)	92.8	M0732 Magnetite Image of Magnetite, Actinolite and Cummingtonite (var. Fe2+) in specimen 'M0732 Magnetite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M0665 Magnetite / Spinel	CSIRO	Hematite, Magnetite (62.6%), Spinel, Fe2+	62.6	M0665 Magnetite / Spinel Image of Magnetite, Hematite and Spinel (var. Fe2+) in specimen 'M0665 Magnetite / Spinel' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M0289 Pyrrhotite / Magnetite	CSIRO	Magnetite (15.7%), Pentlandite, Pyrite, Pyrrhotite-4M, Quartz	15.7	M0289 Pyrrhotite / Magnetite Image of Pyrrhotite-4M, Magnetite, Pentlandite, Pyrite and Quartz in specimen 'M0289 Pyrrhotite / Magnetite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.	0	—
M2068 Gaspéite / Lizardite / Magnetite	CSIRO	Gaspéite, Lizardite, Magnesite, Magnetite (12.8%)	12.8		0	—
M1362 Fluor-uvite / Magnetite	CSIRO	Fluor-uvite, Hematite, Ilmenite, Magnetite (11.0%)	11.0	M1362 Fluor-uvite / Magnetite Image of Fluor-uvite, Hematite, Ilmenite and Magnetite in specimen 'M1362 Fluor-uvite / Magnetite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	2	Reflectance
M1339 Andradite	CSIRO	Andradite, Fluorite, Magnetite (9.5%), Quartz	9.5	M1339 Andradite Image of Andradite + 3 other materials in specimen 'M1339 Andradite' (CSIRO) from Wallerawang, City of Lithgow, Central West Region, NSW, Australia (C) 2025 CSIRO Mineral Resources. All rights reserved.	0	—
M0764 Hematite / Quartz / Goethite	CSIRO	Goethite, Hematite, Magnetite (8.4%), Quartz	8.4	M0764 Hematite / Quartz / Goethite Image of Hematite, Goethite, Magnetite and Quartz in specimen 'M0764 Hematite / Quartz / Goethite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
NR-ACT-02 Actinolite	CSIRO	Actinolite, Clinochlore, Fe, Magnetite (3.3%), Quartz, Tremolite	3.3	NR-ACT-02 Actinolite Image of Actinolite, Clinochlore (var. Fe), Magnetite, Quartz and Tremolite in specimen 'NR-ACT-02 Actinolite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.	2	Reflectance
M0380 Marcasite / Fluorocronite	CSIRO	Anglesite, Fluorocronite, Magnetite (2.5%), Marcasite, Quartz	2.5	M0380 Marcasite / Fluorocronite Image of Marcasite, Anglesite, Fluorocronite, Magnetite and Quartz in specimen 'M0380 Marcasite / Fluorocronite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M1348 Pyrope	CSIRO	Magnetite (2.5%), Pyrope, Quartz, Zircon	2.5	M1348 Pyrope Image of Pyrope, Magnetite, Quartz and Zircon in specimen 'M1348 Pyrope' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M0631 Quartz / Hematite	CSIRO	Hematite, Magnetite (1.8%), Quartz	1.8	M0631 Quartz / Hematite Image of Quartz, Hematite and Magnetite in specimen 'M0631 Quartz / Hematite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
MCU_EPI_1 Epidote	CSIRO	Albite, Clinochlore, Fe, Epidote, Magnetite (1.6%), Quartz	1.6	MCU_EPI_1 Epidote Image of Epidote, Albite, Clinochlore (var. Fe), Magnetite and Quartz in specimen 'MCU_EPI_1 Epidote' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	2	Reflectance
M0776 Goethite / Quartz	CSIRO	Goethite, Magnetite (1.2%), Quartz	1.2	M0776 Goethite / Quartz Image of Goethite, Magnetite and Quartz in specimen 'M0776 Goethite / Quartz' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M2687 Pyrrhotite	CSIRO	Arsenopyrite, Calcite, Mg, Magnetite (1.0%), Pyrrhotite-4M, Pyrrhotite-5C, Sulfur, Szomolnokite	1.0	M2687 Pyrrhotite Image of Pyrrhotite-4M, Arsenopyrite, Calcite (var. Mg), Magnetite, Pyrrhotite-5C, Sulfur and Szomolnokite in specimen 'M2687 Pyrrhotite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—