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Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series

A solid-solution series between two end-member minerals

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Dickinsonite-(KMnNa), etc.

Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA

Arrojadite-(KFe)

Big Fish River, Dawson mining district, Yukon, Canada

Arrojadite-(KFe), etc.

Nickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA

Dickinsonite-(KMnNa), etc.

Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA

Arrojadite-(KFe)

Big Fish River, Dawson mining district, Yukon, Canada

Arrojadite-(KFe), etc.

Nickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA

Dickinsonite-(KMnNa), etc.

Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA

Arrojadite-(KFe)

Big Fish River, Dawson mining district, Yukon, Canada

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About Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

Crystal System:

Monoclinic

Series Formula:

(KNa)(Fe²⁺◻)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂ to (KNa)(Mn²⁺◻)Ca(Na₂Na)Mn₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂

A series between Arrojadite-(KFe) and Dickinsonite-(KMnNa)

Unique IdentifiersHide

Mindat ID:

8605

Long-form identifier:

mindat:1:1:8605:5

Similar NamesHide

Arrojadite	A synonym of Arrojadite Group
Arrojadite (of Mason)	A synonym of Hagendorfite
Arrojadite-(BaFe)	A synonym of Sigismundite
Arrojadite-(BaNa)	A valid IMA mineral species	(Ba◻)(NaNa)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(KFe)	A valid IMA mineral species - grandfathered	(KNa)(Fe²⁺◻)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(KFeNa)		(KNa)(Fe²⁺◻)Ca(Na₂Na)Fe₁₃²⁺Al(PO₄)₁₁(PO₄)(OH)₂
Arrojadite-(KNa)	A valid IMA mineral species	(KNa)(NaNa)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(NaFe)		(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(PbFe)	A valid IMA mineral species	(Pb◻)(Fe²⁺◻)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(SrFe)	A valid IMA mineral species	(Sr◻)(Fe²⁺◻)Ca(Na₂◻)Fe₁₃²⁺Al(PO₄)₁₁(PO₃OH)(OH)₂

Chemical AnalysisHide

Oxide wt%:

	1	2
P₂O₅	40,00 %	39,5 %
Al₂O₃	2,66 %	2,0 %
FeO	28,22 %	13,3 %
MgO	1,04 %
MnO	15,78 %	32,0 %
CaO	2,46 %	2,3 %
Na₂O	6,40 %	7,8 %
K₂O	1,74 %	1,1 %
LiO	0,09 %	0,45 %
H₂O+	0,91 %
F	0,80 %
Insol	0,11 %
H₂O		1,65 %
Total:	95 %	97 %

Sample references:

ID	Locality	Reference	Notes
1	Nickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA	Lindberg, Marie Louise (1950) Arrojadite, hühnerkobelite, and graftonite. American Mineralogist, 35 (1-2) 59-76
2	Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA	Moore, Paul B., Ito, Jun (1979) Alluaudites, wyllieites, arrojadites: crystal chemistry and nomenclature. Mineralogical Magazine, 43 (326) 227-235 doi:10.1180/minmag.1979.043.326.04

Crystallography of Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

Crystal System:

Monoclinic

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)
0000848	Dickinsonite-(KMnNa)	Moore P B, Araki T, Merlino S, Mellini M, Zanazzi P F (1981) The arrojadite-dickinsonite series, KNa4Ca(Fe,Mn)14Al(OH)2(PO4)12: crystal structure and crystal chemistry sample BR American Mineralogist 66 1034-1049	1981	Branchville, Connecticut, USA	293
0009747	Arrojadite-(KFe)	Merlino S, Mellini M, Zanazzi P F (1981) Structure of arrojadite, KNa4CaMn4Fe10Al(PO4)12(OH,F)2 Acta Crystallographica B37 1733-1736	1981	Nickel Plate mine, Keystone, South Dakota, USA	293
0000847	Arrojadite-(KFe)	Moore P B, Araki T, Merlino S, Mellini M, Zanazzi P F (1981) The arrojadite-dickinsonite series, KNa4Ca(Fe,Mn)14Al(OH)2(PO4)12: Crystal structure and crystal chemistry sample NP American Mineralogist 66 1034-1049	1981	Nickel Plate mine, Keystone, South Dakota, USA	293
0000846	Arrojadite-(KFe)	Moore P B, Araki T, Merlino S, Mellini M, Zanazzi P F (1981) The arrojadite-dickinsonite series, KNa4Ca(Fe,Mn)14Al(OH)2(PO4)12: Crystal structure and crystal chemistry sample NM American Mineralogist 66 1034-1049	1981	Nancy mine, North Groton, New Hampshire, USA	293
0014185	Arrojadite-(KFe)	Krutik V M, Pushcharovskii D Y, Podebimskaya E A, Belov N V (1979) Crystal structure of arrojadite Kristallografiya 24 743-750	1979	Nickel Plate mine, South Dakota, USA	293
0004192	Dickinsonite-(KMnNa)	Camara F, Oberti R, Chopin C, Medenbach O (2006) The arrojadite enigma: I. A new formula and a new model for the arrojadite structure American Mineralogist 91 1249-1259	2006		293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Dickinsonite-(KMnNa)'
loop_
_publ_author_name
'Moore P B'
'Araki T'
'Merlino S'
'Mellini M'
'Zanazzi P F'
_journal_name_full 'American Mineralogist'
_journal_volume 66 
_journal_year 1981
_journal_page_first 1034
_journal_page_last 1049
_publ_section_title
;
 The arrojadite-dickinsonite series, KNa4Ca(Fe,Mn)14Al(OH)2(PO4)12:
 crystal structure and crystal chemistry
 sample BR
;
_database_code_amcsd 0000848
_chemical_compound_source 'Branchville, Connecticut, USA'
_chemical_formula_sum 'Al Fe14 Ca Na4 K P12 O48 F2'
_cell_length_a 24.940
_cell_length_b 10.131
_cell_length_c 16.722
_cell_angle_alpha 90
_cell_angle_beta 105.60
_cell_angle_gamma 90
_cell_volume 4069.458
_exptl_crystal_density_diffrn      3.522
_symmetry_space_group_name_H-M 'A 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Al   0.00000   0.50000   0.00000   1.00000
Fe1   0.47856   0.88682   0.22519   1.00000
Fe2   0.26879   0.00654   0.21154   1.00000
Fe3   0.13944   0.01293   0.10620   1.00000
Fe4   0.40442   0.24825   0.02195   1.00000
Fe5   0.40102   0.74524   0.03375   1.00000
Fe6   0.35182   0.69839   0.20674   1.00000
Fe7   0.34356   0.29531   0.22190   1.00000
Ca   0.48542   0.22242   0.23362   0.50000
Na1   0.12070   0.51223   0.12679   1.00000
Na2   0.00000   0.00000   0.00000   0.50000
Na3   0.25000   0.16000   0.00000   0.50000
Na4   0.45639   0.93751   0.21059   0.50000
K   0.25000   0.49600   0.00000   1.00000
P1   0.36930   0.00900   0.11680   0.50000
P2   0.33880   0.99870   0.08470   0.50000
P3   0.42283   0.46775   0.12855   1.00000
P4   0.03808   0.24996   0.12487   1.00000
P5   0.04757   0.76632   0.10221   1.00000
P6   0.21185   0.72319   0.12967   1.00000
P7   0.20441   0.29526   0.14445   1.00000
O1   0.36800   0.06240   0.02810   1.00000
O2   0.36430  -0.13690   0.11390   1.00000
O3   0.32350   0.07620   0.14550   0.50000
O4   0.42460   0.04100   0.17990   0.50000
O5   0.27130   0.96910   0.02770   0.50000
O6   0.34730   0.07970   0.15420   0.50000
O7   0.44380   0.44550   0.04960   1.00000
O8   0.39070   0.59740   0.11900   1.00000
O9   0.38540   0.34600   0.12810   1.00000
O10   0.47020   0.46520   0.20860   1.00000
O11   0.07330   0.16490   0.08180   1.00000
O12   0.03700   0.39240   0.09440   1.00000
O13  -0.02080   0.19110   0.10700   1.00000
O14   0.06220   0.24760   0.22060   1.00000
O15   0.04850   0.64310   0.04670   1.00000
O16   0.07890   0.87100   0.06460   1.00000
O17  -0.01140   0.81220   0.09760   1.00000
O18   0.07730   0.73590   0.19290   1.00000
O19   0.17130   0.68160   0.04730   1.00000
O20   0.27050   0.68070   0.13020   1.00000
O21   0.20910   0.87420   0.14030   1.00000
O22   0.19360   0.65630   0.20180   1.00000
O23   0.16650   0.33760   0.06020   1.00000
O24   0.26290   0.35030   0.15450   1.00000
O25   0.20580   0.14380   0.14940   1.00000
O26   0.18130   0.34990   0.21550   1.00000
F   0.13540   0.00090   0.23090   1.00000

Other Language Names for Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

Norwegian:Arrojaditt-(KFe)-Dickinsonitt-(KMnNa)-serien

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 Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

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References for Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

Reference List:

Moore, Paul B., Araki, Takaharu, Merlino, Stefano, Mellini, Marcello, Zanazzi, and Pier Francesco (1981) The arrojadite-dickinsonite series, KNa₄Ca(Fe,Mn)²⁺₁₄Al(OH)₂(PO₄)₁₄: crystal structure and crystal chemistry. American Mineralogist, 66 (9-10) 1034-1049

Camara, F. (2006) The arrojadite enigma: I. A new formula and a new model for the arrojadite structure. American Mineralogist, 91 (8) 1249-1259 doi:10.2138/am.2006.2189

Chopin, Christian, Oberti, Roberta, Cámara, Fernando (2006) The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group. American Mineralogist, 91 (8). 1260-1270 doi:10.2138/am.2006.2190

Localities for Arrojadite-(KFe)-Dickinsonite-(KMnNa) SeriesHide

Showing 98 localities.

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.

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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
Salta Province La Poma Department ⓘ El Quemado mining district	[Arrojadite-(KFe)] M. A. Galliski (1981) +2 other references
ⓘ El Peñón deposit	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Galliski et al. (2002)
San Luis Province San Martín Department ⓘ Cema pegmatite	[Dickinsonite-(KMnNa)] Roda-Robles et al. (2012)

Australia
South Australia Pastoral Unincorporated Area Boolcoomatta Reserve (Boolcoomata Station) ⓘ Wiperaminga Hill (McMahon's Pegmatite; McMahon Quarry; Wiperaminga East; MC 2464; McMahon Feldspar Pty. Ltd; ML 4536)	[Dickinsonite-(KMnNa)] Record of Sth.Aust. mines summary Olary ...
ⓘ Wiperaminga Hill West Quarry	[Dickinsonite-(KMnNa)]
Victoria East Gippsland Shire Glen Valley ⓘ Blue Jacket Tin Mine (Blue Jacket Reef)	[Arrojadite-(KFe)] Eagle et al. (2015) +1 other reference
ⓘ Knocker dyke (South Blue Jacket)	[Arrojadite-(KFe)] Eagle et al. (2015) +1 other reference
ⓘ Mt Wills mining district	[Arrojadite-(KFe)] Eagle et al. (2015)

Brazil
Minas Gerais Conselheiro Pena Barra do Cuieté ⓘ Boa Vista pegmatite	[Arrojadite-(KFe)] Cassedanne et al. (1982)
Galiléia Laranjeiras ⓘ Ênio claim	[Arrojadite-(KFe)] Cassedanne et al. (1981)
ⓘ Sapucaia do Norte	[Arrojadite-(KFe)] Mineralogical Society of America - ...
Paraíba Pedra Lavrada ⓘ Alto Patrimônio pegmatite	[Arrojadite-(KFe)] Murdoch (1955)
ⓘ Serra Branca pegmatite	[Arrojadite-(KFe)] Rocks & Minerals (Jan.2000) +2 other references

Canada
Manitoba Cross Lake North Group ⓘ Pegmatite No. 22 (Gottcha Claim)	[Dickinsonite-(KMnNa)] Ercit et al. (2010)
Yukon Dawson mining district ⓘ Big Fish River	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 15	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 16	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Rapid Creek	[Arrojadite-(KFe)] Grice (1989) +1 other reference
Kulan Camp (Area A; Area 1) ⓘ Crosscut Creek	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 2	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 3	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 4	[Arrojadite-(KFe)] Gianfranco Ciccolini collection
ⓘ Locality 5	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 7	[Arrojadite-(KFe)] Robinson et al. (1992)

China
Fujian Nanping Yanping District Nanping pegmatite field ⓘ Pegmatite No. 31	[Arrojadite-(KFe)] Rao et al. (2014)

Czech Republic
Plzeň Region Domažlice District Otov ⓘ Otov I pegmatite	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Masau +2 other references

Europe
ⓘ Albera Massif	[Arrojadite-(KFe)] Berbain et al. (2012)

Finland
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Skogsböle (Skogböle)	[Arrojadite-(KFe)] GFF (1899)

France
Nouvelle-Aquitaine Haute-Vienne Bellac Razès Chanteloube Vilatte Quarries (La Vilate) ⓘ Vilatte-Basse Quarry (Les Eaux Vertes Quarry)	[Arrojadite-(KFe)] Anthony et al. (2000)
Occitanie Pyrénées-Orientales Céret Collioure ⓘ Pegmatite field	[Arrojadite-(KFe)] Berbain et al. (2012)

Germany
Bavaria Lower Bavaria Regen District Zwiesel Rabenstein ⓘ Hühnerkobel Mine (Hennenkobel Mine)	[Arrojadite-(KFe)] Weiß (1990)
Upper Palatinate Neustadt an der Waldnaab District Waidhaus Hagendorf ⓘ Hagendorf South Pegmatite	[Arrojadite-(KFe)] web.archive.org (2001)
Saxony Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine	[Arrojadite-(KFe)] Thomas et al. (2000)

Italy
Lombardy Lecco Province Colico ⓘ Piona Peninsula	[Arrojadite-(KFe)] VIGNOLA et al. (2007)

Japan
Ibaraki Prefecture Kasumigaura City Chiyoda-machi ⓘ Yukiiri	[Arrojadite-(KFe)] The Mineral Species of Japan (5th ed)

Morocco
Drâa-Tafilalet Region Ouarzazate Province Amerzgane Cercle Ouisselsate Caïdat ⓘ Angarf-South pegmatite	[Arrojadite-(KFe)] Pavel M. Kartashov (n.d.)
Marrakesh-Safi Region Marrakech Prefecture ⓘ Sidi Bou Kricha	[Arrojadite-(KFe)] Mineralogical Society of America - ...
Rehamna Province Sidi Bou Othmane Cercle Jebilet Mountain (Djebilet Mountain) ⓘ Sidi Bou Othmane	[Arrojadite-(KFe)] Fontan (1978)

Namibia
Erongo Region Karibib Constituency Abbabis Farm 70 ⓘ No. 1 pegmatite	[Arrojadite-(KFe)] Keller (1991) +2 other references
ⓘ No. 3 pegmatite	[Arrojadite-(KFe)] Keller (1991)
Okatjimukuju Farm 55 (Friedrichsfelde Farm) ⓘ Clementine II pegmatite	[Arrojadite-(KFe)] Keller et al. (1989) +2 other references
Okongava Ost Farm 72 ⓘ Helikon II pegmatite	[Dickinsonite-(KMnNa)] Keller et al. (2007)

Poland
Lower Silesian Voivodeship Świdnica County Gmina Świdnica ⓘ Lutomia Górna ?	[Dickinsonite-(KMnNa)] Pieczka et al. (2015)
ⓘ Michałkowa pegmatites	[Arrojadite-(KFe)] Grochowina et al. (2012)
ⓘ Góry Sowie Block	[Arrojadite-(KFe)] Pieczka et al. (2017)
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	[Dickinsonite-(KMnNa)] Pieczka et al. (2018) +1 other reference

Portugal
Viseu ⓘ Mangualde	[Arrojadite-(KFe)] Anthony et al. (2000)

Spain
Castile and Leon Salamanca Garcirrey ⓘ Julita quarry (Cañada pegmatite)	[Arrojadite-(KFe)] Encarnación Roda-Robles (2007)
Catalonia Girona Alt Empordà Cadaqués ⓘ Cap de Creus	[Arrojadite-(KFe)] Bareche (2005)
ⓘ El Port de la Selva	[Arrojadite-(KFe)] & locality references +1 other reference

Sweden
Stockholm County Haninge Norrö ⓘ Norrö Mica Quarry	[Arrojadite-(KFe)] Gustafsson et al. (1991)
Sigtuna Arlanda ⓘ Norrskogen	[Arrojadite-(KFe)] Nysten (1998)

UK
ⓘ Scotland	[Arrojadite-(KFe)] Tindle (2008)
Aberdeenshire Strathdon ⓘ Glenbuchat	[Arrojadite-(KFe)] Livingstone et al. (1983) +1 other reference

Ukraine
Kirovohrad Oblast ⓘ Mostovyi occurrence ?	[Arrojadite-(KFe)] Lyzhachenko et al. (2019)

USA
Arizona Yavapai County ⓘ White Picacho Mining District	[Dickinsonite-(KMnNa)] London et al. (1982)
Connecticut Fairfield County ⓘ Brookfield	[Dickinsonite-(KMnNa)] Januzzi et al. (1976)
ⓘ U. S. Route 7 Expressway (Danbury line to Iron Works District)	[Dickinsonite-(KMnNa)] Januzzi (1994)
Redding Branchville ⓘ Fillow Quarry	[Dickinsonite-(KMnNa)] Brush and Dana (1878) +5 other references
Middlesex County East Hampton Cobalt ⓘ State Forest Quarry No. 2 ?	[Arrojadite-(KFe)] Januzzi (1976)
Portland Collins Hill Strickland pegmatite ⓘ Strickland Quarry	[Dickinsonite-(KMnNa)] Schairer (1926) +1 other reference
Maine Androscoggin County Auburn East Mount Apatite Mining District ⓘ Greenlaw Quarry	[Dickinsonite-(KMnNa)]
ⓘ Maine Feldspar Quarry	[Dickinsonite-(KMnNa)] Thompson et al. (1998)
West Mount Apatite Mining District ⓘ Groves Quarry (Hole in the Ground Quarry)	[Dickinsonite-(KMnNa)]
ⓘ Keith Quarry (Towne Quarry)	[Dickinsonite-(KMnNa)]
ⓘ Pulsifer Quarry & Dionne extension	[Dickinsonite-(KMnNa)]
Poland ⓘ Berry-Havey Quarry	[Dickinsonite-(KMnNa)] King et al. (1994) +1 other reference
Oxford County Greenwood ⓘ Tamminen Quarry	[Dickinsonite-(KMnNa)] Thompson et al. (1998)
Uncle Tom Mountain ⓘ Emmons Quarry	[Dickinsonite-(KMnNa)] Falster et al. (2019)
Hebron Mount Rubellite ⓘ Mount Rubellite Quarries	[Dickinsonite-(KMnNa)] King (n.d.)
Newry ⓘ Dunton Gem Quarry	[Dickinsonite-(KMnNa)] King et al. (6)
Paris ⓘ Ryerson Hill Quarries	[Dickinsonite-(KMnNa)] Found during study of Ryerson Hill ...
Rumford ⓘ Black Mountain Quarry	[Dickinsonite-(KMnNa)] Guidebook 1 to Mineral Collecting in ...
New Hampshire Cheshire County Alstead ⓘ Fitzgibbons Mine ?	[Dickinsonite-(KMnNa)] Smith (2005)
ⓘ Marlow	[Dickinsonite-(KMnNa)] Robert Whitmore collection
ⓘ Turner Mine	[Dickinsonite-(KMnNa)] Czaja (2025)
Grafton County Alexandria ⓘ E.E. Smith Mine	[Dickinsonite-(KMnNa)] Smith (2005)
Groton ⓘ Nancy Quarries	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Smith (2005)
ⓘ Nancy No. 2 Quarry	[Arrojadite-(KFe)] Moore (1973)
ⓘ Palermo No. 1 Mine	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Moore (1973)
ⓘ Rice Quarry	[Arrojadite-(KFe)] Moore (1973) +2 other references
Sullivan County ⓘ Newport	[Arrojadite-(KFe)] Mineralogical Society of America - ...
ⓘ Chandlers Mill Quarry	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Anthony et al. (2000) +1 other reference
North Carolina Gaston County ⓘ LCA Mine	[Dickinsonite-(KMnNa)]
South Dakota Custer County Custer Mining District Custer ⓘ Victory Mine ?	[Arrojadite-(KFe)] Anthony et al. (2000)
Pennington County Keystone Mining District Keystone ⓘ Etta Mine	[Arrojadite-(KFe)] Rocks & Minerals: 67 (6)
ⓘ Nickel Plate Mine	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Lindberg (1950) +3 other references
ⓘ White Cap Mine	[Arrojadite-(KFe)] Mineralogical Society of America - ...

Zimbabwe
Mashonaland East Murehwa District ⓘ Ruwanzi Ranch	[Arrojadite-(KFe)] Anthony et al. (2000)
Mashonaland West Karoi District ⓘ Chiwya claims	[Arrojadite-(KFe)] Anthony et al. (2000)
ⓘ Pearl claim	[Arrojadite-(KFe)] Anthony et al. (2000)
ⓘ Star Twin claim	[Arrojadite-(KFe)] Anthony et al. (2000)

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