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Gudmundite

A valid IMA mineral species - grandfathered

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Photos of Gudmundite (35)

Gudmundite Gallery Search Photos of Gudmundite

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Gudmundite

Krížnica deposit, Pernek, Malacky District, Bratislava Region, Slovakia

Gudmundite

Uranium Mine No. 19, Dubenec, Příbram District, Central Bohemian Region, Czech Republic

Gudmundite

Uranium Mine No. 19, Dubenec, Příbram District, Central Bohemian Region, Czech Republic

Gudmundite

Krížnica deposit, Pernek, Malacky District, Bratislava Region, Slovakia

Gudmundite

Uranium Mine No. 19, Dubenec, Příbram District, Central Bohemian Region, Czech Republic

Gudmundite

Uranium Mine No. 19, Dubenec, Příbram District, Central Bohemian Region, Czech Republic

Gudmundite

Krížnica deposit, Pernek, Malacky District, Bratislava Region, Slovakia

Gudmundite

Uranium Mine No. 19, Dubenec, Příbram District, Central Bohemian Region, Czech Republic

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About GudmunditeHide

Formula:

FeSbS

Colour:

Silver white to steel gray

Lustre:

Metallic

Hardness:

5½ - 6

Specific Gravity:

6.72

Crystal System:

Monoclinic

Member of:

Arsenopyrite Group

Name:

After the locality at Gudmundstorp, Sweden.

Type Locality:

ⓘ Gudmundstorp, Sala Municipality, Västmanland County, Sweden

Arsenopyrite Group

Unique IdentifiersHide

Mindat ID:

1766

Long-form identifier:

mindat:1:1:1766:0

GUID
(UUID V4):

5e80beb7-27dd-40a1-b43c-0c90d08a2249

IMA Classification of GudmunditeHide

IMA status:

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

First published:

1928

Type description reference:

Johansson, K. (1928) Mineralogische Mitteilungen. 1. Gudmundit, ein neues Mineral innerhalb der Markasitgruppe. Zeitschrift für Kristallographie: 68: 87-118.

Classification of GudmunditeHide

Strunz-mindat (2024):

2.EB.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.

Dana 8th ed.:

2.12.4.2

2 : SULFIDES
12 : A_mB_nX_p, with (m+n):p = 1:2

Hey's CIM Ref.:

3.9.13

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
9 : Sulphides etc. 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
Gu	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Gu	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 GudmunditeHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Silver white to steel gray

Hardness:

5½ - 6 on Mohs scale

Hardness:

VHN₁₀₀=572 - 673 kg/mm² - Vickers

Tenacity:

Brittle

Density:

6.72 g/cm³ (Measured) 6.95 g/cm³ (Calculated)

Optical Data of GudmunditeHide

Anisotropism:

Strong - in yellow and red tints

Reflectivity:

Wavelength	R₁	R₂
400nm	49.1%	54.3%
420nm	49.4%	55.7%
440nm	49.5%	56.1%
460nm	49.7%	56.4%
480nm	49.9%	56.8%
500nm	50.2%	57.1%
520nm	50.7%	57.0%
540nm	51.3%	56.7%
560nm	52.0%	56.3%
580nm	52.7%	55.8%
600nm	53.2%	55.1%
620nm	53.6%	54.5%
640nm	53.9%	53.9%
660nm	54.1%	53.4%
680nm	54.2%	52.7%
700nm	54.4%	52.4%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 57.1%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

Silver-white to steel-gray

Pleochroism:

Visible

Comments:

Pure white and pinkish white

Chemistry of GudmunditeHide

Mindat Formula:

FeSbS

Elements listed:

Fe, S, Sb - search for minerals with similar chemistry

Common Impurities:

Crystallography of GudmunditeHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

P2₁/b

Setting:

P2₁/c

Cell Parameters:

a = 10.00 Å, b = 5.95 Å, c = 6.73 Å
β = 90°

Ratio:

a:b:c = 1.681 : 1 : 1.131

Unit Cell V:

400.44 Å³ (Calculated from Unit Cell)

Morphology:

Tapered prisms

Twinning:

On {101}, penetration and contact, cruciform and butterfly shapes

Crystallographic forms of GudmunditeHide

Crystal Atlas:

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Gudmundite - Prismatic {230}

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	Temp (K)
0000020	Gudmundite	Buerger M J (1939) The crystal structure of gudmundite American Mineralogist 24 183-184	1939	293
0000021	Gudmundite	Buerger M J (1939) The crystal structure of gudmundite American Mineralogist 24 183-184	1939	293
0017944	Gudmundite	Buerger M (1939) The crystal structure of gudmundite (FeSbS) and its bearing on the existence field of the arsenopyrite structural type _cod_database_code 1011042 Zeitschrift fur Kristallographie 101 290-316	1939	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Gudmundite'
loop_
_publ_author_name
'Buerger M J'
_journal_name_full 'American Mineralogist'
_journal_volume 24 
_journal_year 1939
_journal_page_first 183
_journal_page_last 184
_publ_section_title
;
 The crystal structure of gudmundite
;
_database_code_amcsd 0000020
_chemical_formula_sum 'Fe Sb S'
_cell_length_a 6.02
_cell_length_b 5.93
_cell_length_c 6.02
_cell_angle_alpha 90
_cell_angle_beta 67.87
_cell_angle_gamma 90
_cell_volume 199.074
_exptl_crystal_density_diffrn      6.995
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe  -0.30000   0.01500   0.30000
Sb   0.14900   0.13100   0.13200
S  -0.35600   0.14500   0.66700

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.62 Å	(10)
4.10 Å	(50)
3.84 Å	(10)
3.00 Å	(40)
2.93 Å	(40)
2.80 Å	(40)
2.68 Å	(20)
2.63 Å	(20)
2.56 Å	(100)
2.33 Å	(10)
2.20 Å	(20)
2.06 Å	(10)
1.912 Å	(80)
1.868 Å	(10)
1.840 Å	(20)
1.770 Å	(10)
1.710 Å	(40)
1.689 Å	(10)
1.670 Å	(10)
1.617 Å	(60)
1.587 Å	(10)
1.458 Å	(60)
1.410 Å	(70)
1.365 Å	(10)
1.338 Å	(10)
1.279 Å	(40)
1.228 Å	(20)
1.197 Å	(10)
1.188 Å	(10)
1.165 Å	(20)
1.145 Å	(10)
1.121 Å	(10b)
1.105 Å	(10b)
1.095 Å	(40)

Comments:

ICDD 8-104 (Gudmundstorp, Sweden)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Geological Setting:

Late stage hydrothermal mineral

Type Occurrence of GudmunditeHide

Type Locality:

ⓘ Gudmundstorp, Sala Municipality, Västmanland County, Sweden

Geological Setting of Type Material:

In calcite veins cutting skarn

Associated Minerals at Type Locality:

Reference:

Johansson, K. (1928) Mineralogische Mitteilungen. 1. Gudmundit, ein neues Mineral innerhalb der Markasitgruppe. Zeitschrift für Kristallographie: 68: 87-118.

Download:

https://rruff.info/rruff_1.0/uploads/ZK68_87.pdf

Other Language Names for GudmunditeHide

German:Gudmundit

Russian:Гудмундит

Simplified Chinese:硫锑铁矿

Spanish:Gudmundita

Relationship of Gudmundite to other SpeciesHide

Member of:

Arsenopyrite Group

Other Members of this group:

Arsenopyrite	FeAsS	Mon. 2/m : P2₁/b
Glaucodot	(Co_0.50Fe_0.50)AsS	Orth. mm2 : Pmn2₁
Osarsite	(Os,Ru)AsS	Mon.
Ruarsite	(Ru,Os)AsS	Mon.

Common AssociatesHide

Associated Minerals Based on Photo Data:

30 photos of Gudmundite associated with Antimony	Sb
20 photos of Gudmundite associated with Stibnite	Sb₂S₃
11 photos of Gudmundite associated with Pyrrhotite	Fe_1-xS
9 photos of Gudmundite associated with Berthierite	FeSb₂S₄
7 photos of Gudmundite associated with Galena	PbS
5 photos of Gudmundite associated with Tetrahedrite Subgroup	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
4 photos of Gudmundite associated with Chalcopyrite	CuFeS₂
3 photos of Gudmundite associated with Quartz	SiO₂
2 photos of Gudmundite associated with Titanite	CaTi(SiO₄)O
2 photos of Gudmundite associated with Ferri-winchite	◻(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂

Related Minerals - Strunz-mindat Grouping Hide

2.EB.	Iridarsenite	(Ir,Ru)As₂	Mon. 2/m : P2₁/b
2.EB.	Selenolaurite	RuSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.	Andrieslombaardite	RhSbS	Iso. 2 3 : P2₁ 3
2.EB.	Kanatzidisite	(SbBiS₃)₂Te₂	Mon. 2/m : P2₁/m
2.EB.05a	Aurostibite	AuSb₂	Iso. m3 (2/m 3) : Pa3
2.EB.05b	Bambollaite	Cu(Se,Te)₂	Tet.
2.EB.05a	Cattierite	CoS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Erlichmanite	OsS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Fukuchilite	Cu₃FeS₈	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Geversite	PtSb₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Hauerite	MnS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Insizwaite	Pt(Bi,Sb)₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Krut'aite	CuSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Laurite	RuS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Penroseite	(Ni,Co,Cu)Se₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Pyrite	FeS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Sperrylite	PtAs₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Trogtalite	CoSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Vaesite	NiS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Villamanínite	(Cu,Ni,Co,Fe)S₂	Tric.
2.EB.05a	Dzharkenite	FeSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Gaotaiite	Ir₃Te₈	Iso. m3 (2/m 3) : Pa3
2.EB.05a v	Cayeuxite
2.EB.10b	Alloclasite	Co_1-xFe_xAsS	Mon. 2 : P2₁
2.EB.10d	Costibite	CoSbS	Orth. mm2 : Pmn2₁
2.EB.10a	Ferroselite	FeSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Frohbergite	FeTe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10c	Glaucodot	(Co_0.50Fe_0.50)AsS	Orth. mm2 : Pmn2₁
2.EB.10a	Kullerudite	NiSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Marcasite	FeS₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Mattagamite	CoTe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10e	Paracostibite	CoSbS	Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10e	Pararammelsbergite	NiAs₂	Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10f	Oenite	CoSbAs	Orth.
2.EB.10a	Petříčekite	CuSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Anduoite	(Ru,Os)As₂	Orth.
2.EB.15a	Clinosafflorite	CoAs₂	Mon. 2/m : P2₁/m
2.EB.15a	Löllingite	FeAs₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Nisbite	NiSb₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Omeiite	(Os,Ru)As₂	Orth.
2.EB.15c	Paxite	CuAs₂	Mon. 2/m : P2₁/b
2.EB.15a	Rammelsbergite	NiAs₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Safflorite	(Co,Ni,Fe)As₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15b	Seinäjokite	(Fe,Ni)(Sb,As)₂	Orth.
2.EB.20	Arsenopyrite	FeAsS	Mon. 2/m : P2₁/b
2.EB.20	Osarsite	(Os,Ru)AsS	Mon.
2.EB.20	Ruarsite	(Ru,Os)AsS	Mon.
2.EB.25 va	Antimony-bearing Gersdorffite	Ni(As,Sb)S
2.EB.25	Cobaltite	CoAsS	Orth. mm2 : Pca2₁
2.EB.25	Gersdorffite	NiAsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Hollingworthite	(Rh,Pt,Pd)AsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Irarsite	(Ir,Ru,Rh,Pt)AsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Jolliffeite	NiAsSe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Krutovite	NiAs₂	Iso. 2 3 : P2₁ 3
2.EB.25	Maslovite	PtBiTe	Iso. 2 3 : P2₁ 3
2.EB.25	Michenerite	PdBiTe	Iso. 2 3 : P2₁ 3
2.EB.25	Padmaite	PdBiSe	Iso. 4 3 2
2.EB.25	Platarsite	Pt(As,S)₂	Iso. m3 (2/m 3) : Pa3
2.EB.25	Testibiopalladite	PdSbTe	Iso.
2.EB.25	Tolovkite	IrSbS	Iso.
2.EB.25	Ullmannite	NiSbS	Iso. 2 3 : P2₁ 3
2.EB.25	Willyamite	CoSbS
2.EB.25	Changchengite	IrBiS	Iso. 2 3 : P2₁ 3
2.EB.25	Mayingite	IrBiTe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Kalungaite	PdAsSe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Milotaite	PdSbSe	Iso. 2 3 : P2₁ 3
2.EB.25	Paragersdorffite	Ni(As,S)₂	Iso. m3 (2/m 3) : Pa3
2.EB.25	Orthogersdorffite	NiAsS	Orth. mm2 : Pca2₁
2.EB.25	Kvačekite	NiSbSe	Iso. 2 3 : P2₁ 3
2.EB.30	Urvantsevite	Pd(Bi,Pb)₂	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.EB.35	Rheniite	ReS₂	Tric. 1 : P1

Other InformationHide

Health Risks:

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

Internet Links for GudmunditeHide

mindat.org URL:

https://www.mindat.org/min-1766.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 GudmunditeHide

Reference List:

Zeitschrift für Kristallographie: A101: 290-316.

Johansson, K. (1928) Mineralogische Mitteilungen. 1. Gudmundit, ein neues Mineral innerhalb der Markasitgruppe. Zeitschrift für Kristallographie: 68: 87-118.

Foshag, W.F. (1928) New mineral names. American Mineralogist: 13: 592-593.

Johansson, K. (1928) Mineralogische Mitteilungen. 1. Gudmundit, ein neues Mineral innerhalb der Markasitgruppe. Zeitschrift für Kristallographie: 68: 87-118.

Buerger, M.J. (1939) The crystal structure of gudmundite. American Mineralogist: 24: 183-184.

Sampson, E. (1941) Notes on the occurrence of gudmundite. Economic Geology: 36(2): 175-184.

Willemse, J. (1944) Gudmundite and other ore minerals from the lead deposits near Argent Station, Transvaal. Transactions of the Geological Society South Africa: 45: 27-35.

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.325-326

Horrell Clark, A. (1966) Heating experiments on gudmundite. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (276) 1123-1125 doi:10.1180/minmag.1966.036.276.07

Holseth, H., Kjekshus, A. (1968) Compounds with the marcasite type crystal structure. I. Compositions of the binary pnictides. Acta Chemica Scandinavica: 22: 3273-3283.

Vershkovskaya, O.V., Lebedeva, S.I. (1968) Gudmundite from the Gorevskoe deposit: Transactions of Academy of Sciences of the USSR: 178: 111-114.

Barton, P.B. (1971) The Fe-Sb-S system. Economic Geology: 66(1): 121-132.

Tatsuka, Kiyoaki, Morimoto, Nobuo (1977) Tetrahedrite stability relations in the Cu-Fe-Sb-S system. American Mineralogist, 62 (11-12) 1101-1109

Seetharam, R. (1981) Gudmundite from Base Metal Sulphide Deposit of Askot, Pithoragarh District,(UP). Geological Society of India: 22(5): 216-219.

Kharbish, S., András, P. (2014) Investigations of the Fe sulfosalts berthierite, garavellite, arsenopyrite and gudmundite by Raman spectroscopy. Mineralogical Magazine: 78: 1287-1299.

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

Localities for GudmunditeHide

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.


Argentina
Jujuy Province Humahuaca Department El Aguilar ⓘ Aguilar Mine	Econ Geol (1992) +2 other references

Australia
New South Wales Gough Co. ⓘ Kingsgate	Lawrence et al. (1962)
Mouramba Co. Nymagee ⓘ Hera Mine (Hera deposit)	McKinnon et al. (2017) +3 other references
Sandon Co. Armidale ⓘ Donald Road prospect	Gilligan et al. (1992)
Hillgrove ⓘ Witherdens Paddock lode	Gilligan et al. (1992)
Yancowinna Co. Broken Hill district Broken Hill ⓘ Broken Hill Proprietary Mine	Ramdohr (1950)
ⓘ Broken Hill South Mine (BHS Mine; South Mine)	Ramdohr (1950)
ⓘ Central Mine (Block 9; ML 9)	Ramdohr (1950)
MMM Mine ⓘ British Mine	Ramdohr (1950)
ⓘ North Mine	Both et al. (1987)
ⓘ Junction North Mine	Ramdohr (1950)
ⓘ Southern operations mine (Pasminco mine; Perilya mine; Consolidated Zinc Mine; CRA mine; New Broken Hill Consolidated Mine; NBHC Mine)	Ramdohr (1950)
ⓘ Zinc Corporation Mine (ZC Mine)	Ramdohr (1950)
ⓘ Pinnacles Mine	McQueen (1984) +1 other reference
ⓘ Potosi Silver Peak Mine (Silver Peak Mine)	Teale et al. (2006)
Queensland City of Mount Isa Hilton district ⓘ Handlebar Hill Open Cut	Knights
Mount Isa ⓘ Mount Isa Mines	Sielecki (1988)
Cloncurry Shire Cloncurry ⓘ Dugald River Zn-Pb-Ag deposit (Dugald River mine)	Xu (1997) +1 other reference
Mareeba Shire Mungana ⓘ Mungana Mine	Lehrmann (2012)
McKinlay Shire McKinlay ⓘ Cannington Mine (South32 Cannington)	an example of Broken Hill-type mineralization in the eastern succession et al. (8) +2 other references
South Australia Mt Lofty Ranges South Mt Lofty Ranges (Adelaide Hills) Mount Barker Nairne ⓘ Shepherd Hill Quarry (Brukunga Quarry)	Nenke (1972) +1 other reference
Tasmania West Coast municipality Zeehan mining district Mt Heemskirk mineral field ⓘ Sweeney's mine	Hajitaheri (1985)
Western Australia East Pilbara Shire Nullagine ⓘ Blue Spec Mine (Golden Spec; Gold Spec; Northern Lode; Southern Lode)	Mock et al. (1987)

Austria
Salzburg St. Johann im Pongau District Obertauern ⓘ Seekar	Strasser (1989)
Radstadt ⓘ Schwemmberg (Roßbrand)	Feitzinger et al. (1988) +1 other reference
Zell am See District Mittersill ⓘ Rettenbach (Rettenbachgraben)	MEIXNER (1968) +2 other references
Styria Bruck-Mürzzuschlag District Sankt Marein im Mürztal Graschnitzgraben ⓘ Lead mine	Schachinger et al. (2013)
Liezen District Öblarn Walchen ⓘ Copper Mines	www.argis.at (2002)
Murtal District Pölstal ⓘ Oberzeiring	Haditsch (1967)
Tyrol Lienz District Obertilliach Leiten ⓘ Klammbachgraben	Mali et al. (Österreich)

Azerbaijan
Balakan District Belokan-Avar ore district Balakan ⓘ Filizchai deposit	- (2005) +1 other reference

Bosnia and Herzegovina
Republika Srpska Srebrenica ⓘ Čumavići deposit	Slobodan A. Radosavljević et al. (2016)

Botswana
North-East District ⓘ Signal Hill Gold Project	Mokane (2020)

Canada
Manitoba Flin Flon District ⓘ Trout Lake mine	Healy et al. (1992)
Snow Lake District ⓘ Chisel Lake Mine	A. E. Bence and L. C. Coleman (1963)
ⓘ Lalor deposit	Duff (2016)
Snow Lake ⓘ Photo Lake Mine	Geological Association of Canada (2014)
New Brunswick York Co. Clarence Stream area ⓘ Clarence Stream Gold Deposit	Cabri et al. (2007) +1 other reference
Newfoundland and Labrador Newfoundland Baie Verte Peninsula Baie Verte ⓘ Ming Mine	Stefanie M. Brueckner et al. (2016)
Northwest Territories North Slave Region ⓘ Sunrise deposit	Government of the Northwest Territories’ Northwest Territories Geological Survey (2016)
ⓘ Yellowknife	Coleman (1953)
ⓘ Con Mine	RIDLAND (1941)
ⓘ Giant Yellowknife Mine (Giant Mine)	Coleman (1953)
ⓘ Negus Mine	RIDLAND (1941)
Nunavut Itchen Lake Izok Lake ⓘ Izok Lake deposit	Harris et al. (1984)
Kitikmeot Region ⓘ Hackett River	Grant (2009) +1 other reference
Ontario Cochrane District Timmins Kidd Township ⓘ Kidd Mine	Gemmell (2013)
Kenora District Balmer Township ⓘ Dickenson Mine (Red Lake; Goldcorp; Arthur White)	Rocks & Minerals 79:2 pp94-99
ⓘ Mulcahy Township	Canadian Mineralogist 10:232 +1 other reference
ⓘ Red Lake Gold District	Canadian Mineralogist (1971)
Thunder Bay District Bomby Township ⓘ Hemlo gold deposit	Dana's New Mineralogy
ⓘ David Bell Mine	Sabina (1991)
ⓘ Golden Giant Mine	Patterson (1984)
Québec Abitibi-Témiscamingue Abitibi RCM Preissac ⓘ Bousquet No. 1 & No. 2 Mines	Sabina (2003)
La Vallée-de-l'Or RCM Val d'Or ⓘ Lapa Mine (Lapa Cadillac Mine)	Simard et al. (2013) +1 other reference
Centre-du-Québec Arthabaska RCM Saints-Martyrs-Canadiens ⓘ Lac Nicolet Antimony mine	an example of gudmundite-native ... +3 other references
Estrie Memphrémagog RCM ⓘ Lake Memphremagog Mine (Smith's Mine; Patton Mine)	Trottier et al. (1991)
Gaspésie-Îles-de-la-Madeleine Avignon RCM Saint-André-de-Restigouche ⓘ Saint-André-de-Restigouche gold occurrence	Mineral. Deposita 42 (2007)
Mauricie Mékinac RCM ⓘ Montauban deposit	Mineral. Deposita 42 (2007)
Saskatchewan Hanson Lake ⓘ Western Nuclear Mine	Kennedy (2012)

Chile
Atacama Huasco Province Vallenar ⓘ El Carrizo mine	Gudmundite was analyed by Dr. Frank Keutsch (2015)

China
Guangxi Hechi Luocheng Mulao Autonomous County ⓘ Jialong Cu-Sn deposit	Liu et al. (2018)
Nandan County Dachang Sn-polymetallic ore field ⓘ Chashan Mine	Renke Li (1993)
ⓘ Kengma Sn deposit (Kenma Sn deposit; Kangma Sn deposit)	Pašava et al. (2003)
ⓘ Tongkeng-Changpo Mine	Mineral Deposits 4 (1)
ⓘ Mangchang ore field	Bingjie Wei et al. (1986) +1 other reference
Inner Mongolia Bayannur City (Bayannao'er Prefecture) Urad Rear Banner (Wulate Houqi) ⓘ Huogeqi Mine (Hegeqi Mine)	Pi et al. (2015)
Xinjiang Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture) Baicheng Co. (Bay Co.) ⓘ Awanda Au deposit	Qing-Feng Ding et al. (2014)
Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture) Tacheng Prefecture (Tarbaghatay Prefecture) Tuoli Co. (Toli Co.) Baogutu ⓘ Baogutu Cu-(Mo-Au) deposit	Wei et al. (2019)

Czech Republic
Central Bohemian Region Kutná Hora District Kutná Hora ⓘ Kaňk
ⓘ Vlastějovice
ⓘ Příbram District	Dr Gunter Grundmann collection
ⓘ Dobříš	Mrázek
Dubenec ⓘ Uranium Mine No. 19 (Shaft No. 19)	M Kampf collection
ⓘ Nový Knín	Litochleb et al. (2011)
Příbram Bytíz ⓘ Uranium Mine No. 17 (Shaft No. 17)	Sejkora et al. (2022)
Liberec Region ⓘ North Bohemian Uranium District	Scharm +7 other references
Vysočina Region Žďár nad Sázavou District Rožná ⓘ Rožná deposit	Kříbek et al. (2009)

Finland
Central Finland Laukaa ⓘ Hiekkapohja	Hietanen (2015)
Kainuu Sotkamo ⓘ Taivaljärvi	Kopperoinen
Lapland Kittilä ⓘ Kittilä gold mine (Suurikuusikko mine; Rouravaara; Korkeakuusikko; Vuomajärvi)	Kojonen et al. (2008)
North Ostrobothnia Haapavesi ⓘ Kiimala (Ängesneva)	Kojonen
Kalajoki ⓘ Hirvikangas	Kontionoemi et al. (2006)
Raahe ⓘ Vihanti deposit (Lampinsaari deposit; Isoaho deposit)	Geological Survey of Finland 2007 ... +1 other reference
Ylivieska ⓘ Rauhala Deposit	Kojonen Kari 1989. The early ...
Pirkanmaa Ylöjärvi ⓘ Järvenpää	Luukkonen Ari 1994. Main geological ...
South Ostrobothnia Seinäjoki ⓘ Kalliosalo	Geological Survey of Finland website +2 other references
ⓘ Routakallio Quarry (Satamo Quarry)	Aho +1 other reference
ⓘ Törnävä deposit	Borodaev et al. (1983)
Southwest Finland Salo Kisko ⓘ Metsämonttu mine	Geological Survey of Finland ...
Somero ⓘ Satulinmäki prospect	Eilu (2003)

France
Auvergne-Rhône-Alpes Haute-Loire Brioude Ally La Rodde mine ⓘ Annie veins	J.J. Périchaud : "Les Gisements Métalliques du District à Antimoine de Brioude-Massiac (Massif-Central Français)
Vieille-Brioude ⓘ Ricoules Mine (Rousseille Mine; Brugerolle Mine)	Pélisson (1989)
Brittany Côtes-d'Armor Saint-Brieuc ⓘ Trémuson	Chauris (2014)
Finistère Châteaulin Bolazec ⓘ Bodennec	Inventaire minéralogique de la France-29-Finistère (1973)
Nouvelle-Aquitaine Corrèze Tulle ⓘ Chanac-les-Mines	PsilomelaneP. Picot
Occitanie Haute-Garonne Gaud ⓘ Arraus	P. Picot

Germany
Bavaria Upper Franconia Wunsiedel im Fichtelgebirge Wunsiedel Sinatengrün ⓘ Marble quarry	Weiß (1990)
Upper Palatinate Tirschenreuth District Leonberg Pfaffenreuth ⓘ Bayerland mine	Rank (1985)
Lower Saxony Goslar District Goslar Rammelsberg ⓘ Rammelsberg Mine

Greenland
Kujalleq ⓘ Ilímaussaq complex	[Mineralogical Record - Vol 24 No 2] +1 other reference
ⓘ Taseq Slope	Karup-Møller et al. (2001)
Tunulliarfik Fjord ⓘ Igdlunguaq	Sørensen (1962) +2 other references

India
Karnataka Kolar District ⓘ Kolar Gold Fields	Mishra et al. (1999)
Rajasthan Bhilwara District ⓘ Rampura-Agucha Zn-(Pb) deposit	Höller et al. (1997) +1 other reference
Jodhpur Division Sirohi District ⓘ Deri-Ambaji Zn-Pb-Cu deposit	Deb (1980)
ⓘ Ambaji deposit	Deb (1980)
Udaipur Division Udaipur District ⓘ Rajpura-Dariba deposit	Mukherjee et al. (1998)
ⓘ Sindesar Khurd prospect	Parihar et al. (2016, October)
Uttarakhand Pithoragarh District ⓘ Askot	Seetharam (1981) +3 other references

Ireland
Munster Tipperary County Silvermines District ⓘ Gurtnadyne Mine (Gorteenahida)	Rhoden (1959) +2 other references
ⓘ Mogul Mine (Garryard Mine; International Mogul Mines)	Moreton (1999)
Shallee Mountain ⓘ Shallee Mine	Rhoden (1959) +2 other references

Italy
Lombardy Como Province San Nazzaro Val Cavargna ⓘ La Selva prospect	Maglia (1990)
Trentino-Alto Adige (Trentino-South Tyrol) South Tyrol Burggrafenamt (Burgraviato) Moos in Passeier (Moso in Passiria) ⓘ Monteneve Mine (Schneeberg Mine)	Exel (1987) +1 other reference
Eisacktal (Valle Isarco) ⓘ Klausen (Chiusa)	Exel (1987) +7 other references
ⓘ Montefondoli (Pfunderer Berg)	Exel (1987) +1 other reference

Japan
Okayama Prefecture Takahashi City Bitchū Fuka ⓘ Fuka mine	Takechi et al. (2003)

Kazakhstan
East Kazakhstan Region Altai District Zyryanovsk complex ⓘ Maleyevskiy Mine (Maleevsky Mine)	Mozgova et al. (1994)

Kyrgyzstan
Talas Region Talas Silver District Kumyshtag ore cluster ⓘ Kumyshtag Ag-Sb deposit	Pavlova et al. (2009)

Mali
Kayes Region Kayes Cercle ⓘ Alamatoula	Masurel et al. (2017)
Sadiola Commune ⓘ Sadiola (Sadiola Mine)	Guillaume Vic (2015) +2 other references

Mongolia
Bayan-Ölgii Province Nogoonnuur District Yustid ore cluster Asgat-Ozernoe zone ⓘ Asgat Ag-Sb deposit	Pavlova et al. (2009)

Morocco
Marrakesh-Safi Region Rehamna Province Sidi Bou Othmane Cercle Jebilet Mtn (Djebilet Mtn) ⓘ Koudiat Aïcha deposit	Essarraj et al. (2022)

Norway
Agder Vegårshei ⓘ Ettedal Mine	Naik (1975) +1 other reference
Nordland Fauske Sulitjelma Sulitjelma Copper Mines ⓘ Giken II Mine	Cook (1996)
ⓘ Jakobsbakken Mines	Ramdohr (1938) +1 other reference
ⓘ Kong Oscar Mine	Cook (1996)
Hemnes Bleikvasslia ⓘ Bleikvassli Mine	F.M. Vokes (1963)
Rana ⓘ Mofjellet	Saager (1967)
ⓘ Mofjellet Base Metal Mine	Geological Survey of Norway. The Ore ... +1 other reference
Vefsn Husvika ⓘ Husvika Deposit	Geological Survey of Norway. The Ore ...
Rogaland Karmøy Karmøy Island ⓘ Vigsnes Copper Mines	Ramdohr (1938)
Lund ⓘ Gursli Molybdenum Mines	Pedersen (1975)

Peru
Puno Carabaya Province ⓘ Crucero project	Aguirre Cernades (2017)
Melgar Province ⓘ San Rafael Mine	Harlaux et al. (2023)

Portugal
Beja Beja Nossa Senhora das Neves ⓘ Herdade da Ventosa Mine	Mateus et al. (2005)
Castro Verde Santa Bárbara de Padrões ⓘ Neves-Corvo Mine	Gaspar (2002)
Mértola São Pedro de Solis e São Sebastião dos Carros ⓘ Ventosa (Ferrarias) Mine	Mateus
Castelo Branco Covilhã São Jorge da Beira ⓘ Panasqueira Mines	Bussink (1984)

Russia
Altai Krai ⓘ Maleevskoe deposit	Mozgova et al. (1994)
Altai Republic Yustid ore cluster Asgat-Ozernoe zone ⓘ Kara-Oyuk Ag-Pb-Sb deposit	Pavlova et al. (2009)
ⓘ Pogranichnoe Ag-Sb deposit	Borisenko et al. (1999) +1 other reference
Chelyabinsk Oblast Karabash Karabash ophiolite massif Soimon Valley ⓘ Zolotaya Gora Au deposit	Pekov (1998) +4 other references
Krasnoyarsk Krai Enisei Range (Yenisei Ridge; Enisei Ridge) ⓘ Olimpiada Mine	Afanas'eva et al. (1995) +2 other references
ⓘ Veduga deposit	Genkin et al. (1998)
ⓘ Gorevskoe	Kovalev et al. (2023)
Severo-Yeniseysky District ⓘ Panimba deposit	Onufrienok et al. (2015)
Murmansk Oblast Voron'i Tundry ⓘ Oleninskoe gold occurrence	A. A. Kalinin et al. (2016) +1 other reference
ⓘ Pellapahk deposit	Gavrilenko (2001)
Primorsky Krai Dalnegorsk Urban District ⓘ Yuzhnoe Pb-Zn-Ag deposit	Ratkin et al. (2020)
Dalnerechensky District Malinovsky cluster ⓘ Malinovka deposit	Gvozdev et al. (2016)
ⓘ South Primor'ye deposit	American Mineralogist
Republic of Karelia Pitkyarantsky District Alattu-Pakula-Janis ore field ⓘ Pakula gold prospect	Ivashchenko et al. (2006)
Sakha ⓘ Dichek deposit	Goryachev et al. (2011)
Sarychev Range ⓘ Kupol'noe Ag–Sn deposit	Gamyanin G.N. et al. (2001)
Verkhoyansk Fold Belt Verkhoyansk Silver Province Western Verkhoyansk District Mangazeisky ore cluster ⓘ Kimpechenskoe Ag-Sb deposit	Pavlova et al. (2009)
Sayan Mountains Il’chir ophiolite belt Ospa–Kitoi massif (Ospin–Kitoi massif) ⓘ Gorlykgol deposit	Tatarinov et al. (2021)

Slovakia
Banská Bystrica Region Banská Bystrica District ⓘ Medzibrod	Hovoric (2009)
Brezno District ⓘ Jasenie	Koděra (1986)
Poltár District Cinobaňa ⓘ Katarínska Huta	Ferenc Š. et al. (Slovenské Rudohorie, veporikum)
Bratislava Region Malacky District Kuchyňa ⓘ Skalnatá	Koděra (1986)
Pernek ⓘ Krížnica deposit	Koděra (1986)
Pezinok District Limbach ⓘ Ernest adit	Andráš P. et al. (1999)
Pezinok ⓘ Kolársky vrch deposit	Pavel.M. Kartashov (n.d.) +2 other references
ⓘ Sirková adit	Ozdín D.
ⓘ Trojárová adit	Chovan M. +1 other reference
Košice Region Rožňava District Čučma ⓘ Sb deposit (Matej; Gabriela and Klement Mine)	Koděra (1986)
Ochtiná ⓘ Ochtiná-Rochovce Mo-W deposit	Koděra (1986)

South Africa
Limpopo Mopani District Municipality Ba-Phalaborwa Local Municipality Murchison Range Gravelotte Consolidated Murchison Mines ⓘ Alpha-Gravelotte Mine	Cairncross et al. (1995) +1 other reference
ⓘ Monarch Antimony mine	Econ Geol (1997)
Mpumalanga Nkangala District Municipality Victor Khanye Local Municipality Delmas ⓘ Argent	Willemse (1944) +2 other references
Northern Cape Pixley ka Seme District Municipality Siyathemba Local Municipality Copperton ⓘ Prieska copper mine (Copperton deposit)	Cairncross et al. (1995)

South Korea
North Gyeongsang Province Bonghwa County ⓘ Hyondong mine	Yun et al. (1999)
South Gyeongsang Province Jinju City ⓘ Daejang mine	Shin et al. (1987) +1 other reference
Tongyeong City Ilgwang-myon ⓘ Ilgwang Mine (Tongnae Mine; Ilkwang mine)	Imai (1942)
Ulsan Buk District ⓘ Ulsan Mine	Choi et al. (2002)

Spain
Andalusia Huelva Calañas Sotiel-Coronada mines ⓘ Sotiel Mine	Álvarez-Valero et al. (2009)
Seville Cazalla de la Sierra ⓘ Puerto Blanco mine	Calvo (2003)
Asturias Belmonte de Miranda ⓘ El Valle-Boinás Mine	Cepedal et al. (2008)
Salas Carlés ⓘ Carlés Mine	Calvo et al. (2014)
Castile and Leon León Riaño Escaro ⓘ Grande Mine	Gutiérrez Villarias (nordeste de Leon)

Sweden
Dalarna County Hedemora Garpenberg ⓘ Garpenberg Norra Mine	Grensman et al. (2001)
ⓘ Lappberget	Tiu (2019) +1 other reference
Örebro County Askersund ⓘ Åmme mines
Åmmeberg ⓘ Högmon mine
Hammar ⓘ Vena Mines	Zakrzewski et al. (1986)
ⓘ Ingelsby
Zinkgruvan ⓘ Zinkgruvan mine	Andersen (2009)
Knalla Mine ⓘ Burkland Cu deposit	Andersen (2009)
Hällefors Grythyttan ⓘ Björskogsnäs	Burke et al. (1990)
ⓘ Hällefors silver mines	Jasinski (1983)
ⓘ Alfrida Mine	Canadian Mineralogist (1984)
ⓘ Gamla Mines (Old mines)	Canadian Mineralogist (1984)
ⓘ Mellan ore field (Middle field)	Canadian Mineralogist (1984)
ⓘ Västra ore field (Western field)	Canadian Mineralogist (1984)
ⓘ Nya Mine
Lindesberg Stråssa ⓘ Håkansboda	Gatedal (n.d.)
Östergötland County Finspång Doverstorp ore field ⓘ Sätra Mine	Zakrzewski et al (1982) +1 other reference
Södermanland County Nyköping Långsjön ⓘ Herrsättra	NJMMh 1982
Tunaberg ⓘ Hultebo mine	Dobbe (1991) +1 other reference
ⓘ Tunaberg Cu-Co Ore Field	Dobbe et al. (1994)
Värmland County Filipstad Långban Ore District ⓘ Getberg mine
Persberg ore district ⓘ Gruvåsen mines	Econ Geol (1984)
ⓘ Torskebäcks mine
Kroppa ⓘ Hornkull silver mines (Hornkullen)	Gatedal (n.d.) +1 other reference
Västerbotten County Malå ⓘ Rakkejaur Mine	Jonsson (1992)
ⓘ Rävliden North Mine	Rincon (2022)
ⓘ Storliden Mine	Gatedal (n.d.) +1 other reference
Norsjö ⓘ Holmtjärn Mine	Ödman (1939)
ⓘ Maurliden	Smellie
ⓘ Maurliden Östra	Andersson (2012)
ⓘ Mensträsk	Grip (1951)
Skellefteå Skellefte mining district Boliden ⓘ Boliden Mine	Econ Geol (1996) +2 other references
ⓘ Petiknäs mine	Denis Martin Schlatter (2007)
Vilhelmina ⓘ Stekenjokk	Juve (1974)
Västernorrland County Örnsköldsvik Junsele ⓘ Rockliden	Friederike Minz et al. (2013) +1 other reference
Västmanland County Sala Municipality ⓘ Gudmundstorp (TL)	Johansson (1928) +3 other references
Sala ⓘ Sala Silver Mine	Kieft et al. (1987) +1 other reference

Switzerland
Ticino Lugano Curio ⓘ Cantine Valley	Köppel V. (1966) +1 other reference

Tajikistan
Gorno-Badakhshan Pamir Silver District Bazardara ore cluster ⓘ Akjilga Ag-Sb deposit	Pavlova et al. (2009)
Sughd Mastchoh District Altyn-Topkan ore field (Zarnisor ore field) ⓘ Pay-Bulak deposit (Paybulak deposit)	Badalov et al. (1975)

Tanzania
Kigoma Region ⓘ Kapalagulu Intrusion	Wilhelmij et al. (2016)
Tabora Region Lake Victoria Goldfield Nzega District ⓘ Golden Pride Mine	Vos (2009)

Turkey
Tokat Province Turhal District ⓘ Turhal Mine	Kouřimský (1986)

USA
Idaho Blaine County Mineral Hill Mining District Bullion Creek New York-Idaho Exploration Company Property ⓘ Eureka Mine	Hall et al. (1972)
ⓘ North Carolina	J.Wright Horton and Victor A.Zullo
Davidson County Carolina Slate Belt Silver Hill Mining District ⓘ Silver Hill	J.Wright Horton et al. (1991)
ⓘ ~~South Carolina~~
Virginia Louisa County Gold-Pyrite Belt ⓘ Cofer prospect (Piedmont Mineral Associates prospect)	Miller et al. (1983) +1 other reference
Washington Chelan County Leavenworth Mining District Van Epps Pass ⓘ Snook and Ellen Mine	Cannon
ⓘ ~~Van Epps Mine~~	...

Uzbekistan
Samarqand North Nuratau Mountains Zarmitan ⓘ Charmitan Mine (Zarmitan Mine)	Gromova +4 other references

Zimbabwe
Midlands Kwekwe District ⓘ Indarama Mine	Zeitschrift fuer angewandte Geologie 38 (1992)

Gudmundite

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