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Maghemite

A valid IMA mineral species - grandfathered

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Photos of Maghemite (27)

Maghemite Gallery Search Photos of Maghemite

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Maghemite

Maghemite occurrence, Cobar, Robinson Co., New South Wales, Australia

Maghemite

Riley Creek Mine, Tullah, Tasmania, Australia

Maghemite

Sandy mine, Luesma, Zaragoza, Aragon, Spain

Maghemite

Maghemite occurrence, Cobar, Robinson Co., New South Wales, Australia

Maghemite

Riley Creek Mine, Tullah, Tasmania, Australia

Maghemite

Sandy mine, Luesma, Zaragoza, Aragon, Spain

Maghemite

Maghemite occurrence, Cobar, Robinson Co., New South Wales, Australia

Maghemite

Riley Creek Mine, Tullah, Tasmania, Australia

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About MaghemiteHide

Formula:

(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄

Formerly given as Fe₂O₃.

Colour:

Brown, brick-red

Lustre:

Dull

Hardness:

Crystal System:

Isometric

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Name:

From the first syllables of MAGnetite and HEMatite, in allusion to the magnetism and composition.

Type Locality:

ⓘ Bushveld Complex, South Africa

Dimorph of:

Hematite

A ferromagnetic iron oxide (which may therefore be confused with magnetite).

Maghemite is formed by weathering or low-temperature oxidation of spinels containing ferrous iron, commonly magnetite or titanian magnetite. It is a widespread yellow pigment in continental sediments, rocks, and soils.

Unique IdentifiersHide

Mindat ID:

2533

Long-form identifier:

mindat:1:1:2533:7

GUID
(UUID V4):

1e14c314-3fc5-4698-b6b5-42f6bb6fe75b

IMA Classification of MaghemiteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA status notes:

Redefined by the IMA

Approval history:

2018: Redefined as (Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄, which better reflects its relation to the spinel supergroup. (Bosi et al., 2019).

Classification of MaghemiteHide

Strunz-mindat (2024):

4.BB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations

Dana 8th ed.:

4.3.7.1

4 : SIMPLE OXIDES
3 : A₂X₃

Hey's CIM Ref.:

7.20.3

7 : Oxides and Hydroxides
20 : Oxides of Fe

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference
Mgh	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Mgh	Kretz (1983)	Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
Mgh	Siivolam & Schmid (2007)	Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
Mgh	Whitney & Evans (2010)	Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
Mgh	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of MaghemiteHide

Lustre:

Dull

Transparency:

Opaque

Colour:

Brown, brick-red

Streak:

Brown

Hardness:

6 on Mohs scale

Optical Data of MaghemiteHide

Reflectivity:

Wavelength	R
400nm	31.5%
420nm	30.2%
440nm	28.5%
460nm	27.6%
480nm	26.6%
500nm	26.0%
520nm	25.5%
540nm	24.8%
560nm	24.0%
580nm	23.2%
600nm	22.4%
620nm	22.0%
640nm	21.6%
660nm	21.2%
680nm	20.8%
700nm	20.4%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 31.5%.

Colour in reflected light:

White to greyish blue

Chemistry of MaghemiteHide

Mindat Formula:

(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄

Formerly given as Fe₂O₃.

Elements listed:

Fe, O - search for minerals with similar chemistry

Crystallography of MaghemiteHide

Crystal System:

Isometric

Class (H-M):

4 3 2 - Gyroidal

Space Group:

P4₁ 3 2

Cell Parameters:

a = 8.3515 Å

Unit Cell V:

582.50 Å³ (Calculated from Unit Cell)

Morphology:

Commonly as coatings on or replacements of magnetite; massive; rarely as minute octahedral crystals, or acicular overgrowths.

Comment:

Cubic (P4132 or P4332), typically with a tetragonal supercell (P41 or P43, a = 8.35, c = 24.99 A).).

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0007898	Maghemite	Pecharroman C, Gonzalez-Carreno T, Iglesias J E (1995) The infrared dielectric properties of maghemite, gamma-Fe2O3, from reflectance measurement on pressed powders Physics and Chemistry of Minerals 22 21-29	1995		293
0007899	Maghemite	Pecharroman C, Gonzalez-Carreno T, Iglesias J E (1995) The infrared dielectric properties of maghemite, gamma-Fe2O3, from reflectance measurement on pressed powders Physics and Chemistry of Minerals 22 21-29	1995		293
0007900	Maghemite	Pecharroman C, Gonzalez-Carreno T, Iglesias J E (1995) The infrared dielectric properties of maghemite, gamma-Fe2O3, from reflectance measurement on pressed powders or both Fe-oct 6-7 have zero occupancy Physics and Chemistry of Minerals 22 21-29	1995		293
0020516	Maghemite	Shmakov A N, Kryukova G N, Tsybulya S V, Chuvilin A L, Solovyeva L P (1995) Vacancy ordering in gamma-Fe2O3: synchrotron x-ray powder diffraction and high- resolution electron microscopy studies Journal of Applied Crystallography 28 141-145	1995	Synthetic	293
0020517	Maghemite	Solano E, Frontera C, Puig T, Obradors X, Ricart S, Ros J (2014) Neutron and X-ray diffraction study of ferrite nanocrystals obtained by microwave-assisted growth. A structural comparison with the thermal synthetic route Journal of Applied Crystallography 47 414-420	2014	Synthetic	293
0013508	Maghemite	Greaves C (1983) A powder neutron diffraction investigation of vacancy ordering and covalence in gamma-Fe2O3 Journal of Solid State Chemistry 49 325-333	1983	synthetic	293
0020585	Maghemite	Jorgensen J E, Mosegaard L, Thomsen L E, Jensen T R, Hanson J C (2007) Formation of gamma-Fe2O3 nanoparticles and vacancy ordering: an in situ X-ray powder diffraction study Journal of Solid State Chemistry 180 180-185	2007	Synthetic	293
0020518	Maghemite	Shin HS (1998) A study on the structure of maghemite (gamma-Fe2O3) I. Rietveld analysis of powder XRD patterns Journal of the Korean Ceramic Society 35 1113-1119	1998	Synthetic	293
0020519	Maghemite	Shin HS (1998) A study on the structure of maghemite (gamma-Fe2O3) I. Rietveld analysis of powder XRD patterns Journal of the Korean Ceramic Society 35 1113-1119	1998	Synthetic	293
0020515	Maghemite	Sinha K P, Sinha A P B (1957) Ein Fehlstellenuberstruktur - Modell fur gamma-Fe2O3 Zeitschrift fur Anorganische und Allgemeine Chemie 293 228-232	1957	Synthetic	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Maghemite'
loop_
_publ_author_name
'Pecharroman C'
'Gonzalez-Carreno T'
'Iglesias J E'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 22 
_journal_year 1995
_journal_page_first 21
_journal_page_last 29
_publ_section_title
;
 The infrared dielectric properties of maghemite, gamma-Fe2O3,
 from reflectance measurement on pressed powders
 Sample: a) idealized
;
_database_code_amcsd 0007898
_chemical_formula_sum 'Fe2.667 O4'
_cell_length_a 8.33
_cell_length_b 8.33
_cell_length_c 8.33
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 578.010
_exptl_crystal_density_diffrn      4.894
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Fe-oct   0.50000   0.50000   0.50000   0.83333
Fe-tet   0.12500   0.12500   0.12500   1.00000
O   0.25000   0.25000   0.25000   1.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.953 Å	(35)
2.5177 Å	(100)
2.0886 Å	(16)
1.7045 Å	(10)
1.6073 Å	(24)
1.4758 Å	(34)
1.0872 Å	(7)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 2: Planetesimal differentiation and alteration	4.566-4.550
6 : Secondary asteroid phases	4.566-4.560
Stage 3b: Earth’s earliest hydrosphere	>4.45
17 : Marine authigenic Hadean minerals (see also #24)
Stage 5: Initiation of plate tectonics	<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Stage 7: Great Oxidation Event	<2.4
47h : [Near-surface oxidized, dehydrated minerals]
47i : [Terrestrial weathering of meteorites]
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere	<0.6
48 : Soil leaching zone minerals	<0.6
49 : Oxic cellular biomineralization (see also #44)	<0.54
50 : Coal and/or oil shale minerals	<0.36
Stage 10b: Anthropogenic minerals	<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)

Type Occurrence of MaghemiteHide

Type Locality:

ⓘ Bushveld Complex, South Africa

Synonyms of MaghemiteHide

Ferromagnetic ferric oxide

γ-Fe2O3

Oxymagnite

Sosmanite

Iron oxide (in part)

Other Language Names for MaghemiteHide

German:Maghemit

Italian:Maghemite

Japanese:磁赤鉄鉱

Russian:Маггемит

Simplified Chinese:磁赤铁矿

Spanish:Maghemita

Ukrainian:Маґгеміт

Varieties of MaghemiteHide

Alumomaghemite	Aluminian Maghemite
Hydromaghemite	Maghemit with adsorbed water.

Relationship of Maghemite to other SpeciesHide

Member of:

Spinel Subgroup > Oxyspinel Group > Spinel Supergroup

Other Members of this group:

Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Cochromite	CoCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m)
Dellagiustaite	V²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 4 2m : P4m2
Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Gahnite	ZnAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Galaxite	Mn²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Guite	Co²⁺Co³⁺₂O₄	Iso.
Hausmannite	Mn²⁺Mn³⁺₂O₄	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
Hercynite	Fe²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Hetaerolite	ZnMn₂O₄	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Jacobsite-Q	Mn²⁺(Fe³⁺,Mn³⁺)₂O₄	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
Magnesiochromite	MgCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Magnesiocoulsonite	MgV₂O₄	Iso. m3m (4/m 3 2/m)
Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Nichromite	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Spinel	MgAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Thermaerogenite	CuAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 4 3 2 : P4₃ 3 2
Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
UM1994-06-O:AlCo	CoAl₂O₄
Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
Zincochromite	ZnCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m

Forms a series with:

Magnetite

Kenomagnetite

Common AssociatesHide

Associated Minerals Based on Photo Data:

8 photos of Maghemite associated with Magnetite	Fe²⁺Fe³⁺₂O₄
5 photos of Maghemite associated with Goethite	α-Fe³⁺O(OH)
4 photos of Maghemite associated with Magnesio-hastingsite	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
4 photos of Maghemite associated with Anatase	TiO₂
3 photos of Maghemite associated with Hematite	Fe₂O₃
3 photos of Maghemite associated with Ilmenite	Fe²⁺TiO₃
3 photos of Maghemite associated with Anhydrite	CaSO₄
2 photos of Maghemite associated with Chalcedony	SiO₂
2 photos of Maghemite associated with Fluorapatite	Ca₅(PO₄)₃F
1 photo of Maghemite associated with Leucoxene

Related Minerals - Strunz-mindat Grouping Hide

4.BB.	Elgoresyite	(Mg₅Si₂)O₉	Mon. 2/m : B2/m
4.BB.	Chenmingite	FeCr₂O₄	Orth. mmm (2/m 2/m 2/m) : Pnma
4.BB.	Dellagiustaite	V²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.	Thermaerogenite	CuAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.	Chukochenite	LiAl₅O₈	Orth. mmm (2/m 2/m 2/m) : Imma
4.BB.	Garpenbergite	Mn₆◻AsSbO₁₀(OH)₂	Orth. mmm (2/m 2/m 2/m)
4.BB.	Magnéliite	Ti³⁺₂Ti⁴⁺₂O₇	Tric. 1 : P1
4.BB.	Jianmuite	ZrTi⁴⁺Ti³⁺₅Al₃O₁₆	Tet. 4 : I4
4.BB.05	Chromite	Fe²⁺Cr³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Cochromite	CoCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Coulsonite	Fe²⁺V³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Cuprospinel	Cu²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m)
4.BB.05	Filipstadite	(Fe³⁺_0.5Sb⁵⁺_0.5)Mn₂O₄	Iso.
4.BB.05	Franklinite	Zn²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Gahnite	ZnAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Galaxite	Mn²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Hercynite	Fe²⁺Al₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Jacobsite	Mn²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Manganochromite	Mn²⁺Cr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Magnesiocoulsonite	MgV₂O₄	Iso. m3m (4/m 3 2/m)
4.BB.05	Magnesiochromite	MgCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Magnesioferrite	MgFe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Magnetite	Fe²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Nichromite	(Ni,Co,Fe)(Cr,Fe,Al)₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Qandilite	(Mg,Fe³⁺)₂(Ti,Fe³⁺,Al)O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Spinel	MgAl₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Trevorite	Ni²⁺Fe³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Ulvöspinel	TiFe²⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Vuorelainenite	Mn²⁺V³⁺₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Zincochromite	ZnCr₂O₄	Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05	Harmunite	CaFe₂O₄	Orth. mmm (2/m 2/m 2/m) : Pbcm
4.BB.05	Wernerkrauseite	Ca(Fe³⁺,Mn³⁺)₂Mn⁴⁺O₆	Orth. mmm (2/m 2/m 2/m) : Pnma
4.BB.05	Deltalumite	(Al_0.67◻_0.33)Al₂O₄	Tet. 4 2m : P4m2
4.BB.05	Guite	Co²⁺Co³⁺₂O₄	Iso.
4.BB.10	Hausmannite	Mn²⁺Mn³⁺₂O₄	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
4.BB.10	Hetaerolite	ZnMn₂O₄	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
4.BB.10	Manganostibite	(Mn,Fe)₇SbAsO₁₂	Orth. mmm (2/m 2/m 2/m)
4.BB.15	Titanomaghemite	(Ti⁴⁺_0.5◻_0.5)Fe³⁺₂O₄	Iso. 4 3 2 : P4₃ 3 2
4.BB.20	Tegengrenite	(Mn³⁺_0.5Sb⁵⁺_0.5)Mg₂O₄	Trig. 3 : R3
4.BB.25	Xieite	Fe²⁺Cr₂O₄	Orth. mmm (2/m 2/m 2/m)
4.BB.30	Carmeltazite	ZrAl₂Ti₄O₁₁	Orth. mmm (2/m 2/m 2/m) : Pnma
4.BB.35	Feiite	Fe²⁺₂(Fe²⁺Ti⁴⁺)O₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.BB.40	Maohokite	MgFe₂O₄	Orth. mmm (2/m 2/m 2/m) : Pnma
4.BB.45	Tschaunerite	(Fe²⁺)(Fe²⁺Ti⁴⁺)O₄	Orth. mmm (2/m 2/m 2/m) : Cmcm

Other InformationHide

Magnetism:

Ferromagnetic

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Maghemite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for MaghemiteHide

mindat.org URL:

https://www.mindat.org/min-2533.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for MaghemiteHide

Reference List:

Sosman and Posnjak (1925) Washington Academy of Science, Journal: 15: 329.

Wagner (1927) Economic Geology: 22: 845.

Schneiderhöhn, Hans, Ramdohr, Paul (1931) Lehrbuch der Erzmikroskopie Vol. 2. Borntraeger.p.537

Winchell (1931) American Mineralogist: 16: 270 (as oxymagnite).

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.pp.708-709

Smith, P. P. K. (1979) The observation of enantiomorphous domains in a natural maghemite. Contributions to Mineralogy and Petrology, 69 (3) 249-254 doi:10.1007/bf00372327

de Faria, D.L.A., Silva, S.V., de Oliveira, M.T. (1997): Raman microspectroscopy of some iron oxides and oxyhydroxides. Journal of Raman Spectroscopy 28, 873-878.

Hanesch, M. (2009): Raman spectroscopy of iron oxides and (oxy)hydroxides at low laser power and possible applications in environmental magnetic studies. Geophys. J. Int. 177, 941-948.

Bosi, Ferdinando, Biagioni, Cristian, Pasero, Marco (2019) Nomenclature and classification of the spinel supergroup. European Journal of Mineralogy, 31 (1) 183-192 doi:10.1127/ejm/2019/0031-2788

(2023) Maghemite. Handbook of Mineralogy. Mineralogical Society of America

Localities for MaghemiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Algeria
Tindouf Province Tindouf District ⓘ Gara Djebilet iron deposit	www.portergeo.com.au (2007)

Antarctica
Eastern Antarctica Queen Elizabeth Land Pensacola Mountains Neptune Mountains ⓘ Neptune Mountains meteorite	Buchwald et al. (1989)

Arctic Ocean
East Siberian Sea ⓘ ARAON Mounds	Koo et al. (2022)

Atlantic Ocean
Mid-Atlantic Ridge complex Trans-Atlantic Geotraverse hydrothermal field (TAG) ⓘ Mir mound	Dekov et al. (h-Cu6Sn5) +1 other reference

Australia
New South Wales Cunningham Co. Trundle ⓘ Pilling Mine (Pillings Prospect)	Narromine 1:250 000 Mine Data Sheets
Darling Co. ⓘ Giants Den Tin Mine	Brown et al. (1992)
Kennedy Co. Fifield ⓘ Cincinatti Prospect	Narromine 1:250 000 Mine Data Sheets
Murchison Co. Upper Bingara Gulf Creek ⓘ Gulf Creek Copper Mine (Cornish Copper Mine)	Brown et al. (1992)
ⓘ Gulf Creek Mine (Gulf Creek Copper Mine)	Brown et al. (1992)
Narromine Co. Narromine ⓘ Minore Prospect	Narromine 1:250 000 Mine Data Sheets
Robinson Co. Cobar ⓘ Endeavor Mine (Elura Mine)	A.N. Lorrigan (2005)
ⓘ Maghemite occurrence	Monika Mueller collection
Northern Territory Barkly Region Tennant Creek ⓘ Mammoth Gold Mine	Johnson (1989)
Wauchope Kurundi Goldfield ⓘ Kurinelli Meteorites	Magirian (1998) +1 other reference
Queensland Cook Shire ⓘ Weipa	Taylor et al. (2004)
ⓘ Weipa Mine	Taylor et al. (2008)
Rockhampton Region Marlborough ⓘ Gumigil Chrysoprase Mine ?	Eggleton et al. (2011)
Scenic Rim Region ⓘ Mount Gillies	ROSS et al. (1987)
South Australia Mt Lofty Ranges South Mt Lofty Ranges (Adelaide Hills) ⓘ Hallett Cove	Wopfner (1972)
Tasmania Tullah ⓘ Riley Creek Mine	www.ventureminerals.com.au (n.d.)
Waratah-Wynyard municipality Corinna-Savage River district ⓘ Savage River Mines	Bottrill & Taheri
Victoria Baw Baw Shire ⓘ Willow Grove ataxite	Birch et al. (2001)
Colac Otway Shire Otway Range ⓘ Dilwyn Bay
Northern Grampians Shire Carapooee ⓘ Alluvial gold mine	Birch (2008)
Western Australia Boddington Shire Boddington ⓘ Boddington Mine	Mock (1987)
ⓘ Darling Range	Singh et al. (1995) +1 other reference
Halls Creek Shire Carranya Station ⓘ Wolfe Creek meteorite crater	White (Jr)
Kalgoorlie-Boulder Shire Kalgoorlie-Boulder Mullingar ⓘ Mount Percy Gold Mine	Gray et al. (1996)
ⓘ Mystery Gold Mine (Mystery Zone)	Butt (2003)
ⓘ Sir John Gold Mine	Butt (2003)
ⓘ Union Club Gold Mine	Butt (2003)
Kanowna Goldfield ⓘ Kanowna Belle Gold Mine	Anand et al. (2005)
Laverton Shire Duketon Goldfield Duketon Area ⓘ Moolart Well Gold Mine	www.regisresources.com.au (n.d.)
ⓘ Murrin Murrin Ni-Co Mine (Anaconda Nickel mine)	mrdate.usgs.gov (n.d.)
Leonora Shire Bronzewing Goldfield (Mount McClure) ⓘ Sundowner gold prospects	Annand et al. (2001)
Meekatharra Shire Gabanintha Quinns gold area ⓘ Tasman prospect	Hassan (2017)
Menzies Shire Davyhurst Goldfield Davyhurst ⓘ Light of Israel Gold Mine (Lights of Israel)	Robertson et al. (2003)
Wiluna Shire Mount Keith ⓘ Mount Keith Open Pit	Grguric (2003)
Wyndham-East Kimberley Shire ⓘ Mitchell Plateau	Recent Investigations of the Mitchell ... +3 other references

Austria
Carinthia Sankt Veit an der Glan District Hüttenberg ⓘ Bärenbach ?	Schulz (1979)
Salzburg Salzburg Untersberg massif ⓘ Salzburg shaft	Strasser (1989)
Tyrol Innsbruck-Land District Neustift im Stubaital Habicht ⓘ Glücksgrat Cu-Zn deposit	Vavtar (1986)

Belarus
Mogilev Region Babruysk District ⓘ Bobruisk Ring Structure	Levitskiy et al. (2018, July)

Bolivia
Santa Cruz Germán Busch Province ⓘ Serranía Mutun	Federico Ahlfeld and Jorge Muñoz Reyes (1955)

Brazil
Bahia Boquira ⓘ Boquira mine	Misi et al. (1999)
Mato Grosso do Sul Corumbá ⓘ Jacadigo hill	Barbosa (1950)
Minas Gerais Liberdade ⓘ Fazenda da Roseta	Soares et al. (2018)
ⓘ Zona da Mata	Allan et al. (1989)
Pará Monte Alegre Maicuru range ⓘ Maicuru alkaline complex	531 p +6 other references
Piauí Capitão Gervásio de Oliveira ⓘ São João do Piauí deposit	Dybowska et al. (2022)
Nazaré do Piauí ⓘ Calçadinha farm	Costa et al. (2016)

Cameroon
East Region Haut-Nyong Lomié Lomié Ultramafic complex ⓘ Nkamouna Mine	Yongue-Fouateu et al. (2009)

Canada
British Columbia Kamloops Mining Division Little Fort ⓘ Windpass Mine	Dana 7:I:708.
Osoyoos Mining Division Hedley ⓘ Peggy Mine (Hedley Consolidated)	G.E. Ray and G.L. Dawson (1994)
Skeena Mining Division Haida Gwaii Graham Island Klashwun Point ⓘ Shag Rock Mn Occurrence	Peatfield (n.d.) +1 other reference
Vancouver Island Nanaimo Mining Division Holberg ⓘ Red Dog copper-molybdenum deposit ?	personal correspondence with Giles Peatfield (see comments in description)
Ontario Cochrane District South of Ridge Lake Area ⓘ Martison carbonatite complex	SAGE (1981)
Hastings County Centre Hastings Municipality Madoc Township ⓘ Dufferin Iron Mine	Ontario Ministry of Northern ...
Québec Laurentides Deux-Montagnes RCM ⓘ Oka complex	Gold (1969)

Chile
Antofagasta Antofagasta Province Cobija Punta Tames district ⓘ Mantos del Pacífico mine	Maskaev et al. (2007)
Michilla District ⓘ Juarez Mine	Maskaev et al. (2007)
ⓘ Susana Mine	Maskaev et al. (2007)
Taltal ⓘ Santo Domingo Cu-(Ag) deposit	Maskaev et al. (2007)
ⓘ Vaca Muerta meteorite ?	Rull et al. (2004)
Tocopilla Province Punta Blanca area ⓘ Buena Esperanza Mine	Maskaev et al. (2007)
ⓘ Mantos de la Luna Cu-(Ag) deposit	Maskaev et al. (2007)

China
Anhui Anqing Huaining County Yueshan ore field ⓘ Longmenshan Mine	Xikun Chen (1987)
Fujian Longyan Xinluo District ⓘ Zhongjia Mine	Guangwu Mao et al. (2013)
Gansu Jiuquan Aksai Co. ⓘ Yushishan Nb–Ta ore deposit	Yu et al. (2023)
Guizhou Zunyi Bozhou District ⓘ Houcao bauxite deposit	Kehua Yin (2009)
Hebei Chengde ⓘ Placer occurrences (Yanshan meteorite)	Yu (1984)
Handan Wu'an County ⓘ Xishimen Mine	Jianmin Zheng et al. (2007)
Inner Mongolia Alxa League (Alashan Prefecture) Ejin Banner (Ejina Co.) ⓘ Heiyingshan Mine	Guixiang Meng et al. (2009)
Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo ⓘ Bayan Obo deposit	Zonglin Hou (1989)
Chifeng City (Ulanhad League; Chifeng Prefecture) Linxi County ⓘ Baogaigou Sn deposit	Guozheng Wang (2002)
Hulunbuir City (Hulunbei'er Prefecture) Old Barag Banner (Chenba'erhu Co.) ⓘ Xie'ertala Mine	Feng Yuan et al. (2012)
Xilingol League (Xilinguole Prefecture) East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi) ⓘ Chaobuleng deposit (Zhaobuleng Mine)	Biren Wang et al. (2014)
Jiangsu Nanjing Jiangning District ⓘ Qilinshan Fe deposit	Zhongsuo Li (1983)
Liaoning Dandong Fengcheng City ⓘ Wengquan'gou Boron deposit	Ruheng Fang and Yafan Zhang (1983)
Liaoyang Gongchangling District ⓘ Gongchangling Fe deposit	Shuguang Li et al. (1983)
Shanxi Datong Lingqiu County ⓘ Pingxingguan Mine	wrgis.wr.usgs.gov (2004)
Sichuan Liangshan Yi Huili County Lalachang Cu deposit (Lala Cu deposit) ⓘ Luodang Mine	Zhimin Zhu et al. (2009)
ⓘ Xianglushan Fe-Cu Orefield	Wang et al. (2019)
Tibet Nagchu Prefecture (Naqu Prefecture) Baingoin Co. (Bange Co.) ⓘ Gengnai	Liu et al. (2024)
Ngari Coqên Co. (Cuoqin Co.) Nixiong Fe-Cu ore field (Nyixung Fe-Cu ore field) ⓘ Muzhiding Fe deposit (Nixiong Fe deposit; Nyixung Fe deposit)	Liu et al. (2024)
Gê'gyai Co. (Geji Co.) ⓘ Ga'erqiong Cu-Au deposit	Zhenghua Hu et al. (2012)
Rutog Co. (Ritu Co.) ⓘ Fuye Fe deposit	Liu et al. (2024)
Xinjiang Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture) Hejing Co. (Xejing Co.) Gongnaisigou ⓘ Chagangnuo'er Fe-Cu deposit (Chagannuo'er Fe-Cu deposit; Chagannur Fe-Cu deposit)	Xiujun Hu and Wenge Chen (2010)
Hami Prefecture (Kumul Prefecture; Qumul Prefecture) Yizhou District ⓘ Cihai iron mine	Chunji Xue et al. (2000)
Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture) Tashiku'ergan Co. (Taxkorgan Co.; Tashqurqan Co.) ⓘ Zankan Fe deposit	Jianwei Hu et al. (2010)
Turpan Shanshan Co. ⓘ Kan'ernan Fe deposit	Songtao Deng et al. (2006)
Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture) Aletai Prefecture (Altay Prefecture) Aletai Co. (Altay Co.) Kelang basin ⓘ Tuomoerte Fe-(Mn) deposit	Zhixin Zhang et al. (2012)
Fuyun Co. (Koktokay Co.) Maizi basin ⓘ Mengku Mine	Lingang Xu et al. (2007) +2 other references
ⓘ Wutubulake Fe deposit	Zhixin Zhang et al. (2011) +1 other reference
Xinyuan Co. (Künes Co.) Awulale Fe ore field ⓘ Shalaqiongku'er Fe deposit	Wuhan Huaze Science & Technology ...
ⓘ Songhu Fe deposit	Qiong Han et al. (2014)
Yunnan Dali Heqing County ⓘ Beiya Au-Cu ore field	Xiao'ou Zhao (1989)
ⓘ Heqing Mn deposit	Yuchun Yang (1990)

Colombia
Córdoba Department Montelíbano ⓘ Cerro Matoso Mine (Cerro Matoso S. A. Laterite deposit)	Econ Geol (2004)

Cuba
Camagüey Province Camagüey District ⓘ San Felipe deposit	T. Gallardo et al. (2010) +1 other reference
Holguín Province Moa-Baracoa District Moa Nickel ore field ⓘ Punta Gorda deposit	Domènech et al. (2014)
ⓘ Yagrumaje deposit	Marsh

Czech Republic
Hradec Králové Region Trutnov District Radvanice ⓘ Kateřina Coal Mine	Jirásek (2001)
Karlovy Vary Region ⓘ Jáchymov ore district	Ondruš et al. (2003)
Moravian-Silesian Region Frýdek-Místek District Žermanice ⓘ Žermanice Quarry	Matýsek D.
Ostrava-City District Ostrava Heřmanice ⓘ Heřmanice dump ?	Dalibor Matýsek
Slezská Ostrava ⓘ Tertiary basaltoid rock outcrops	Jirásek J. (2018)
Olomouc Region Jeseník District Javorník Horní Hoštice ⓘ Iron deposit	Zimák (Česká republika)
Prague ⓘ Na Slupi site	Ettler et al. (2015)
Ústí nad Labem Region Litoměřice District Podsedice ⓘ Podsedice pyrope deposit (Podseditz pyrope deposit)	Rost R.: Doplňky k mineralogii ...
Most District Líšnice ⓘ Borový hill	Žáček V

Dominican Republic
Monseñor Nouel Province Bonao Falcondo Mines ⓘ Loma Caribe Ni laterite deposit	Domènech et al. (2022)
ⓘ Loma Ortega deposit	Tamara Gallardo

France
New Caledonia Northern Province Koumac Tiébaghi Massif ⓘ Tiébaghi Nickel Mine	El Mendili et al. (2022)
Poya North Népoui ⓘ Boninite outcrop	T. Sameshima et al.
Southern Province Yaté ⓘ Goro Mine	Wells et al. (2009) +1 other reference

Germany
Baden-Württemberg Karlsruhe Region Rhein-Neckar-Kreis Eberbach Katzenbuckel ⓘ Michelsberg Quarry
ⓘ Neckarbischofsheim	Frenzel (1953)
Sinsheim ⓘ Steinsberg	Frenzel (1953)
Bavaria Lower Franconia Haßberge District Maroldsweisach ⓘ Zeilberg Quarry	Wittern (2001)
ⓘ Laacher See Volcanic Complex	Blaß et al. (2015)
Lower Saxony Göttingen District Dransfeld ⓘ Hoher Hagen	Lear et al. (1988)
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	Blass +1 other reference
ⓘ Thelenberg	Blass +1 other reference
Wingertsberg ⓘ Pumice quarries	Blass +1 other reference
Pellenz Kruft ⓘ Krufter Ofen	Blass +1 other reference
ⓘ Rieden volcano	Blaß et al. (2015)
Saxony Zwickau District ⓘ Callenberg	Paul (1995)
Schleswig-Holstein Segeberg Damsdorf - Stocksee - Tensfeld area ⓘ Gravel pits	Wittern (2001)

Greece
Central Greece Phocis Delphi ⓘ Pera-Lakkos mine	Gamaletsos et al. (2017)
Central Macedonia Pella Edessa ⓘ Flamouria	Michailidis (1990)
ⓘ Messimeri	Michailidis (1990)
ⓘ Vrita	Michailidis (1990)
Ionian Islands ⓘ Ithaca	Bourli et al. (2021)
Lefkada Lefkada island ⓘ Kastos island	Bourli et al. (2021)

Greenland
Qeqertalik Disko Island ⓘ Igdlukúnguaq	Pauly (1958)

Iceland
Northeastern Region Þingeyjarsveit Skútustaðahreppur Myvatn ⓘ Krafla Volcano	Carson (2015)

India
Andhra Pradesh Prakasam District ⓘ Ongole	Canadian Mineralogist (1965)
Assam Goalpara District ⓘ Goalpara meteorite	Nakamuta et al. (2013)
Madhya Pradesh Jabalpur Division Chhindwara District ⓘ Semarkona meteorite	E.R.D. Scott et al. (1988) +1 other reference
Odisha Anugul District ⓘ Mahanadi riverbank	Mallick et al. (2005, March)
Jajapur (Jajpur) District Sukinda ultramafic complex Sukinda Valley ⓘ South Kaliapana deposit	Nayak et al. (1998)
Uttar Pradesh Mirzapur Division Bhadohi District ⓘ Bishunpur meteorite (Parjabatpur meteorite)	Brearley et al. (1998)

Iran
Kerman Province Kerman County Kerman meteorite field ⓘ Kerman 001 meteorite	Pourkhorsandi et al. (2019)
ⓘ Kerman 002 meteorite	Pourkhorsandi et al. (2019)
ⓘ Kerman 003 meteorite	Pourkhorsandi et al. (2019)
ⓘ Shahdad meteorite	Pourkhorsandi et al. (2019)

Israel
Southern District (HaDarom District) Dead Sea ⓘ Har Ye'elim	Murashko (2010)
Tamar Regional Council Hatrurim Basin ⓘ Aravaite type locality	Britvin et al. (2021) +1 other reference

Italy
Lazio Metropolitan City of Rome Capital Campagnano di Roma ⓘ Bruciore Quarry	Cozzupoli et al. (1976)
ⓘ S. Angelo Mount	Bortolozzi (n.d.)
Rome ⓘ Corcolle Quarry	AA. VV.
ⓘ Sacrofano	Pasquale Antonazzo Collection (2009)
ⓘ San Valentino	AA. VV.
Viterbo Province Onano ⓘ Montenero Quarry	M.E. Ciriotti (2005)
Sardinia Nuoro Province Gadoni ⓘ Funtana Raminosa Mine	AA. VV.
Trentino-Alto Adige (Trentino-South Tyrol) South Tyrol Puster Valley District Prettau (Predoi) ⓘ Predoi Mine (Prettau Mine)	De Michele (1974)
Tuscany Arezzo Province Cavriglia ⓘ Castelnuovo Mine (Castelnuovo Pit; Castelnuovo deposit)	Corazza et al. (1994)
Grosseto Province Massa Marittima Valpiana - Castello della Marsiliana area slag sites ⓘ Arialla slag locality	Manasse et al. (2002)
Pitigliano ⓘ Case Collina	M.E. Ciriotti (2005)
Upper Valdarno (Upper Val d'Arno) ⓘ Santa Barbara lignite district (Santa Barbara lignite basin; Cavriglia lignite basin; San Giovanni Valdarno lignite basin)	Corazza et al. (1994)
ⓘ Santa Barbara Mine (Santa Barbara mining concession)	Corazza et al. (1994)

Japan
Fukuoka Prefecture Tagawa District Kawara ⓘ Sannotake mine	Uehara et al. (2014)
Hiroshima Prefecture ⓘ Taishi mine	Imai (1978)
Iwate Prefecture Kamaishi City ⓘ Kamaishi mine	Imai (1978)
Okayama Prefecture Kume District Misaki-cho ⓘ Yanahara mine (Yanahara mining district)	Yamada (2004)
Okinawa Prefecture Ishigaki City Ishigaki Island Kabira ⓘ Tsuzutunu-muru manganese prospects	Powder XRD by John Attard
Kunigami District ⓘ Ogimi	Petrov (n.d.)
ⓘ Uebara	Petrov (n.d.)
Yamaguchi Prefecture ⓘ Kumano mine	Dr. Matsuo Nambu collection (curated by the Geological Survey of Japan)

Jersey
ⓘ St Helier	Ch. Wagner and D. Velde

Jordan
Amman Governorate Transjordan Plateau Daba-Siwaqa complex ⓘ Daba	Pitty et al. (2010)
Irbid Governorate Maqarin area ⓘ Yarmouk river	Khoury et al. (1985) +1 other reference

Kazakhstan
Pavlodar Region ⓘ East Bozshakol mine	Seltmann et al. (2005)
Ekibastuz ⓘ Bozshakol mine	Seltmann et al. (2005)

Madagascar
Diana Ambanja Antsirabe ⓘ Ampasibitika	Wolfgang Hampel (2011)

Mauritania
Tiris Zemmour Region Hassi Djebilet ⓘ Gara Djebilet W	Marsh et al. (2015)

Mexico
Baja California Sur Loreto Municipality ⓘ Santa Rosa	RODRIGUEZ-DIAZ
Chihuahua Aquiles Serdán Municipality ⓘ Santa Eulalia Mining District	Megaw (2023)
East Camp ⓘ San Antonio Mine ?	Megaw
San Luis Potosí Villa de Reyes Municipality Villa de Reyes ⓘ Villa del Reyes mines	M. A. Pérez-Cruz et al. (2015)
Yucatán northwest coastline of the Yucatán peninsula Puerto Chicxulub Chicxulub impact structure ⓘ Borehole M0077A	Verhagen et al. (2023)

Middle East
ⓘ Hatrurim Formation	Gross (1977)

Mongolia
Ömnögovi Province Shara Hulasa Hiid ⓘ Mushgai Khudag carbonatite complex	Pavel.M. Kartashov (n.d.)

Namibia
Oshikoto Region Tsumeb ⓘ Tsumeb Mine (Ongopolo Mine)	Gebhard (1999)
Otjozondjupa Region Grootfontein Constituency ⓘ Hoba meteorite	Golden et al. (1995)

New Zealand
Waikato Region Matamata-Piako District Te Aroha ⓘ Tui Mine	Courtney et al. (1990)
Waikato District ⓘ Ngatutura Volcanics	Spratt et al. (1975)
West Coast Region Buller District Reefton Prohibition Mine ⓘ Prohibition Mine processing plant	Kerr et al. (2018)

Nicaragua
Chontales Department ⓘ La Libertad	Darce (1990)

Nigeria
Kogi Lokoja ⓘ Agbaja Iron Deposit	Mücke et al. (1999)

North Macedonia
Probistip Municipality Kratovo-Zletovo ore district ⓘ Zletovo Mine	RMZ - Materials and Geoenvironment Vol 52 No. 3 pp 535-548 (2006)
Veles Municipality ⓘ Groot	Spasovski et al. (2009)
ⓘ Groot Fe-Ni Deposit	Spasovski et al. (2009)

Northwest Africa Meteorites
ⓘ Northwest Africa 7034 Martian meteorite (NWA 7034; Black beauty)	Dr. Vivian Gornitz (2013) +1 other reference

Norway
Buskerud Kongsberg ⓘ Lake Mykle	Bonin et al. (2003)
Telemark Nome ⓘ Fen Iron Mines	Andersen (1983)
Søve Mines ⓘ Tufte Adit	Andersen (1983)
Vestfold ⓘ Holmestrand	v. Everdingen (1960)

Poland
Greater Poland Voivodeship Poznań ⓘ Morasko meteorite	Stankowski et al. (2002, December)
Lower Silesian Voivodeship Dzierżoniów County Piława Górna ⓘ DSS Piława Górna Quarry	Mateusz Dulski et al. (2018)
ⓘ Karkonosze County	Mochnacka et al. (2012)
ⓘ Kowary	Mochnacka et al. (2015)
Szklarska Poręba Zbójeckie Skały ⓘ Friedrich Wilhelm magnetite–pyrite mine	Mochnacka et al. (2015)
Kłodzko County Gmina Nowa Ruda Przygórze Bolesław Mine ⓘ Przygórze heap	Łukasz Kruszewski PXRD data
Silesian Voivodeship Bytom Bobrek ⓘ Bobrek heap	Ł. Kruszewski EPMA/PXRD data +1 other reference
Rybnik County Gmina Czerwionka-Leszczyny ⓘ Dębieńsko Mine heap	Kruszewski et al. (2012)
Wodzisław County Rydułtowy ROW Ruch Rydułtowy Mine ⓘ Rydułtowy heap (Szarlota heap)	Ł. Kruszewski PXRD and EPMA data

Portugal
Beja Ferreira do Alentejo Odivelas ⓘ Herdade de Vale de Coelhos
ⓘ Odivelas Mine	Canadian Mineralogist 41:1105-1124 (2003)

Romania
Argeş County Stoenești Badeni Leaota Mtn ⓘ Undisclosed mining waste dump	Udubasa et al. (2011)
Buzău County ⓘ Mânzăleşti	Slavoaca
ⓘ Meledic Karst Plateau	Slavoaca
Maramureș County Târgu Lăpuș ⓘ Răzoare	Udubasa et al. (1996) +1 other reference
Mehedinti County Breznița-Ocol ⓘ Jidoştiţa	Udubaªa et al. (2006)
Suceava County Iacobeni Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit	Hîrtopanu (1997) +1 other reference

Russia
Belgorod Oblast Kursk Magnetic Anomaly group ⓘ Oskol Fe deposit	Belykh et al. (2007)
Chelyabinsk Oblast ⓘ Chelyabinsk coal basin	Cesnokov et al. (1998)
ⓘ Chelyabinsk meteorite (Chebarkul meteorite)	Righter & 27 others (2015)
Kamchatka Krai Milkovsky District Tolbachik Volcanic field Plosky Tolbachik Volcano ⓘ 2012-2013 Fissure Tolbachik Eruption site	Zelenski et al. (2020)
Murmansk Oblast ⓘ Lovozero Massif	...
Orenburg Oblast Svetlyi District Buruktal District Buruktal massif ⓘ Buruktal Mine	Talovina et al. (2003)
Sakha Mirninsky District Daldyn ⓘ Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)	kimberlite. 21 st meeting of the ... +1 other reference

Saudi Arabia
Eastern Province Rub' al-Khali ⓘ South Dahna meteorite	Meteoritics
ⓘ Wabar meteorite (Al Hadidah; Nejed)	Gnos et al. (2013)

Sierra Leone
Western Area Freetown layered complex ⓘ Big Water	Bowles et al. (2018)

Slovakia
Banská Bystrica Region Brezno District ⓘ Jasenie	Koděra (1986)
Košice Region Košice-okolie District Družstevná pri Hornáde ⓘ Malá Vieska Quarry	Koděra (1986)
Prešov Region Prešov District Červenica Dubník ⓘ Slávik adit	Koděra (1986)
Zlatá Baňa ⓘ Zlatá Baňa deposit	Duda et. all.

South Africa (TL)
ⓘ Bushveld Complex (TL)	Wagner P A (1927)
Gauteng City of Tshwane Metropolitan Municipality ⓘ Vergenoeg Mine	Rocks & Minerals 83:5 pp 410-421
Limpopo Waterberg District Municipality Lephalale Local Municipality Lephalale Onverwacht ⓘ Moonlight Fe deposit	du Plessis et al. (1997)
North West Dr Ruth Segomotsi Mompati District Municipality Naledi Local Municipality Vryburg ⓘ Morokweng crater (Morokweng Impact Structure)	Andreoli et al. (1999)

Spain
Aragon Zaragoza Luesma ⓘ Sandy mine	Calvo (2008)
Catalonia Girona Setcases Costabona Mountain ⓘ Fra Joan Mine ?	Mata i Perelló (1990)
Susqueda Sant Martí Sacalm ⓘ Can Llebó mine	Mata i Perelló (1990)

Sweden
Norrbotten County Kiruna Svappavaara ⓘ Leveäniemi Mine	Larsson (2022)
Pajala Kitkiöjärvi ⓘ Muonionalusta meteorite	Holtstam et al. (2021)
Västernorrland County Sundsvall ⓘ Alnö Complex	Sandström et al. (2010)
ⓘ Stugholmen	Kresten (1979)
Västmanland County Norberg Getback ore field ⓘ Ås mine

Switzerland
Schaffhausen Neuhausen am Rheinfall ⓘ Buechbüel	Stalder et al. (1998)
Neunkirch ⓘ Hasenberg	Stalder et al. (1998)
Zürich ⓘ Irchel	Stalder et al. (1998)

Tanzania
Kigoma Region ⓘ Kapalagulu Intrusion	Wilhelmij et al. (2016) +1 other reference

Turkey
Denizli Province ⓘ Elmaslar Chromite Deposit	Akbulut et al. (2010)
Diyarbakir Province Ergani District Ergani ⓘ Ergani Mine	Akinci (2009)
Elazığ Province Keban District ⓘ Zereyandere	Kines (1969)
Rize Province Çayeli District ⓘ Madenköy Mine	Akinci (2009)
Sivas Province ⓘ Divrigi District	M. Akif Isik (2001)
Zonguldak Province Karadeniz Ereğli ⓘ Soganliyürük	USGS Prof Paper 550C ppC158-C161

UK
England ⓘ Derbyshire	Ford et al. (1993)
Northern Ireland Co. Antrim Templepatrick ⓘ Lyles Hill mine	Eyles +5 other references

USA
Alaska Nome Census Area Port Clarence Mining District ⓘ Brooks Mountain	rruff.geo.arizona.edu (n.d.) +1 other reference
Arizona Coconino County Meteor Crater area ⓘ Canyon Diablo meteorite	Hofmann (1992)
ⓘ Meteor Crater	Mead et al. (1965) +2 other references
Graham County ⓘ Deer Creek Fire Agate Mine	Natkaniec-Nowak et al. (2020)
Mohave County Lost Basin Mining District ⓘ Unnamed Fe prospect [1] (Unnamed shaft; USGS PP 1361 locality 303)	Theodore et al. (1987)
Pima County ⓘ Tucson Mountains	Anthony et al. (1995)
Arkansas ⓘ Hot Spring County	Howard (1987) +1 other reference
California ⓘ Alameda County	Newhouse (1936) +1 other reference
Kern County Tehachapi Mountains Gorman District Lebec Tejon Tin project (Gorman Tin project) ⓘ Crowbar Gulch prospect (Crowbar claim)	Van Nostrand Reinholt Press: 161. +3 other references
ⓘ Gray Eagle prospect (Gray Eagle Discovery prospect; Gray Eagle claim)	Van Nostrand Reinholt Press: 161. +3 other references
ⓘ Upper Butler prospect	Van Nostrand Reinholt Press: 161. +2 other references
Mariposa County ⓘ Merced River	Petrov (n.d.)
Riverside County Eagle Mountains Eagle Mountains Mining District (Monte Negro Mining District) Eagle Mountain ⓘ Eagle Mountain Mine (Eagle Mountain Iron Mine; Eagle Mountain Iron deposit; Kaiser Steel Corp.)	Murdoch (1966)
Shasta County Klamath Mountains West Shasta Copper - Zinc Mining District Iron Mountain [town] Iron Mountain ⓘ Iron Mountain Mine (Number 8; Confidence; Old Mine)	Sosman (1925) +3 other references
Colorado Eagle County Gore Mountains ⓘ Piney Ridge	Eckel et al. (1997)
Pitkin County White Rock Granodiorite ⓘ Conundrum Creek	Eckel et al. (1997)
Connecticut Middlesex County Haddam ⓘ Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)	Weissman (2005)
Idaho Madison County Rexburg area ⓘ Menan volcanic complex	Xu et al. (2017)
Massachusetts Dukes County Martha's Vineyard Chilmark ⓘ Nashaquitsa Cliffs	Kaye et al. (1965)
Franklin County Rowe ⓘ Davis Pyrite Mine	Cerato
Nevada Eureka County Safford Mining District ⓘ Barth Mine (West mine)	Castor et al. (2004)
New Mexico Curry County ⓘ Grady (1937) meteorite	Ramdohr (1972)
De Baca County ⓘ La Lande meteorite	Ramdohr (1972)
Eddy County ⓘ Gnome event (Project Gnome test site)	Northrop et al. (1996)
North Carolina Cleveland County ⓘ Hawkins Branch Cassiterite occurrence (Meadow Creek occurrence)	Agortino et al. (1985)
Oregon Josephine County Josephine Creek Mining District ⓘ Josephine Creek placers	...
Tennessee Anderson County Oak Ridge ⓘ Chestnut Ridge	Rock & Minerals Vol. 84 No. 4 Jul/Aug ...
U.S. Virgin Islands ⓘ St. John	Alminas +2 other references
Virginia Rockbridge County Glasgow ⓘ Lone Jack Quarry ?	Dietrich (1990)
Washington County Alvarado ⓘ Riverside mine	Dietrich (1990)
Washington ⓘ Mount Rainier National Park	Rye et al. (2003)

Zambia
Southern Province Mazabuka District Munali Intrusive Complex ⓘ Munali nickel project	Brotherton (1979)

Venus

Maghemite

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