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
IMA Status	Grandfathered (pre-IMA), 1845
Classifications	Spinel (subgroup), Iron(II,III) oxide
Member	Titanomagnetite
Luminescence emitter	Intrinsic
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

References for Magnetite

Balberg & Pankove 1971

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CSIRO spectra 2015 (Noril'sk-Kharelakh)

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2

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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 (var. 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	CSIRO	Hematite, Magnetite (62.6%), Spinel (var. Fe2+)	62.6	M0665 Magnetite Image of specimen 'M0665 Magnetite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M0289 Pyrrhotite	CSIRO	Magnetite (15.7%), Pentlandite, Pyrite, Pyrrhotite-4M, Quartz	15.7	M0289 Pyrrhotite Image of Pyrrhotite-4M, Magnetite, Pentlandite, Pyrite and Quartz in specimen 'M0289 Pyrrhotite' [CSIRO]. (C) 2025 CSIRO Mineral Resources. All rights reserved.	0	—
M2068 Gaspéite	CSIRO	Gaspéite, Lizardite, Magnesite, Magnetite (12.8%)	12.8		0	—
M1362 Tourmaline	CSIRO	Fluor-uvite, Hematite, Ilmenite, Magnetite (11.0%), Tourmaline	11.0	M1362 Tourmaline Image of Tourmaline in specimen 'M1362 Tourmaline' [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 specimen 'M1339 Andradite' (CSIRO) from Wallerawang, City of Lithgow, Central West Region, NSW, Australia (C) 2025 CSIRO Mineral Resources. All rights reserved.	0	—
M0764 Goethite	CSIRO	Goethite, Hematite, Magnetite (8.4%), Quartz	8.4	M0764 Goethite Image of Hematite, Goethite, Magnetite and Quartz in specimen 'M0764 Goethite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
NR-ACT-02 Actinolite	CSIRO	Actinolite, Clinochlore (var. 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	CSIRO	Anglesite, Fluorocronite, Magnetite (2.5%), Marcasite, Quartz	2.5	M0380 Marcasite Image of Marcasite, Anglesite, Fluorocronite, Magnetite and Quartz in specimen 'M0380 Marcasite' [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 Hematite	CSIRO	Hematite, Magnetite (1.8%), Quartz	1.8	M0631 Hematite Image of Quartz, Hematite and Magnetite in specimen 'M0631 Hematite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
MCU-EPI-1 Epidote	CSIRO	Albite, Clinochlore (var. 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	CSIRO	Goethite, Magnetite (1.2%), Quartz	1.2	M0776 Goethite Image of specimen 'M0776 Goethite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
M2687 Pyrrhotite	CSIRO	Arsenopyrite, Calcite (var. Mg), Magnetite (1.0%), Pyrrhotite, Pyrrhotite-4M, Pyrrhotite-5C, Sulfur, Szomolnokite	1.0	M2687 Pyrrhotite Image of specimen 'M2687 Pyrrhotite' [CSIRO]. (C) 2026 CSIRO Mineral Resources. All rights reserved.	0	—
KH-2	CSIRO	Amphibole, Apatite, Augite, Biotite, Calcite, Chalcopyrite, Chlorapatite, Enstatite, Forsterite, Ilmenite, Magnetite, Pentlandite, Plagioclase, Pyrite, Pyroxene, Pyrrhotite	—	KH-2 Clustered EPMA phase map of the KH-2 specimen (owner: S. Barnes, CSIRO Mineral Resources), from the Kharelakh intrusion, Noril'sk, Russia (C) 2015 CSIRO Process Science and Engineering. All Rights reserved.	26	CL, EDS