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Arrojadite Group

A group of related mineral species

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Photos of Arrojadite Group (57)Recorded Ages and Analyses Discuss Arrojadite Group

Arrojadite Group Gallery Search Photos of Arrojadite Group

Edit Arrojadite Group Add Synonym Edit CIF structures Clear Cache

Arrojadite Group, etc.

White Cap 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 Group, etc.

White Cap 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 Group, etc.

White Cap Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA

Dickinsonite-(KMnNa), etc.

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

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About Arrojadite GroupHide

Formula:

A₂E₂CaNa_2+xM₁₃R(PO₃OH)_1-x(PO₄)₁₁W₂

A group of basic phosphate minerals with the general formula indicated above, where:

A denotes a large divalent cation (Ba, Sr, Pb) plus a vacancy, or two monovalent cations (K, Na),
E denotes a small divalent cation (Fe, Mn, Mg) plus a vacancy, or two Na cations,
M is a small divalent cation (Fe, Mn, Mg), whose identity defines the root-name: Fe, arrojadite, or Mn, dickinsonite,
R is a small trivalent cation (Al, Fe) and
W is a hydroxide or fluoride ion.

An arrojadite from Yukon contains traces of N (~700 ppm of N) in the form of NH₄⁺ ions.

Unique IdentifiersHide

Mindat ID:

28960

Long-form identifier:

mindat:1:1:28960:3

Chemistry of Arrojadite GroupHide

Mindat Formula:

A₂E₂CaNa_2+xM₁₃R(PO₃OH)_1-x(PO₄)₁₁W₂

Chemical AnalysisHide

Oxide wt%:

	1	2	3	4	5
P₂O₅	40,00 %	39,5 %	39.34 %	40,52 %	44.96 %
Al₂O₃	2,66 %	2,0 %	1.96 %	2,17 %	2.57 %
FeO	28,22 %	13,3 %	19.36 %	25,72 %	17.68 %
MgO	1,04 %		2.80 %	0,21 %	15.12 %
MnO	15,78 %	32,0 %	19.45 %	18,63 %	2.01 %
CaO	2,46 %	2,3 %	2.28 %	2,03 %	2.64 %
Na₂O	6,40 %	7,8 %	4.97 %	6,27 %	5.83 %
K₂O	1,74 %	1,1 %	0.63 %	2,49 %	0.36 %
LiO	0,09 %	0,45 %	0.20 %
H₂O+	0,91 %		1.45 %
F	0,80 %		0.47 %		2.14 %
Insol	0,11 %
H₂O		1,65 %
Fe₂O₃			1.34 %
BaO			5.36 %		7.12 %
H₂O-			0.10 %
SrO					0.46 %
–O = F₂					-0.90 %
H₂Ocalc					0.33 %
Total:	95 %	97 %	99.71 %	95 %	100.32 %

Empirical formulas:

Sample ID	Empirical Formula
5	(Na_3.77Ca_0.94Ba_0.93K_0.15Sr_0.09?_0.12)_Σ=6.00(Mg_7.52Fe²⁺_4.93Mn²⁺_0.57?)_Σ=13.02Al_1.01(PO₄)₁₁(PO₃)(OH_0.74F_0.26)F₂
6	^A1(Ba_0.65K_0.35)Σ^A2_1.00Na^B1_0.35(Na_0.54Fe_0.46)Σ^B2_1.00Na^Ca_0.54(Ca_0.74Sr_0.20Pb_0.02Ba_0.04)Σ_1.00Na^Na3₂Na^M_0.46(Fe_7.16Mn_5.17Li_0.37Mg_0.12Sc_0.08Zn_0.06Ga_0.02Ti_0.02)Σ_13.00Al_1.02P₁₁O₄₄PO_3.46(OH)^W_0.54(F_1.54OH_0.46)

Sample references:

ID	Type	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
3		Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda	von Knorring, O. (1969) A note on the phosphate mineralisation at the Buranga pegmatite, Rwanda. Bulletin du Service Geologique de la Republique du Rwanda: 5: 42-45.
4		" "	Fransolet, A.-M. (1980) The eosphorite-childrenite series associated with the Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda. Mineralogical Magazine, 43 (332) 1015-1023 doi:10.1180/minmag.1980.043.332.09
5		Maremola Creek, Isallo, Magliolo, Savona Province, Liguria, Italy	C	wt%, wavelength-dispersive-mode electron microprobe. The empirical formula calculated on the basis of 50 O + F + (OH) atoms per formula unit.
6	Type Specimen	Elisabeth Mine, Gemerská Poloma, Rožňava District, Košice Region, Slovakia		The empirical formula is based on 47 O and 3 (OH+F) apfu.

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)
0012658	Arrojadite-(KNa)	Steele I M (2002) Arrojadite: variations in space group and composition based on four new refinements General Meeting of the International Mineralogical Association 18 MO2-117	2002	Palermo No. 1 mine, Groton, New Hampshire, USA	293
0012657	Arrojadite-(KNa)	Steele I M (2002) Arrojadite: variations in space group and composition based on four new refinements General Meeting of the International Mineralogical Association 18 MO2-117	2002	Rapid Creek, Yukon, Canada	293
0005505	Sigismundite	Demartin F, Gramaccioli C M, Pilati T, Sciesa E (1996) Sigismundite, (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(OH)2(PO4)12, a new Ba-rich member of the arrojadite group from Spluga Valley, Italy The Canadian Mineralogist 34 827-834	1996	Spluga Valley, Italy	293
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
0004190	Arrojadite-(KNa)	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
0004191	Arrojadite-(SrFe)	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
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 'Arrojadite-(KNa)'
loop_
_publ_author_name
'Steele I M'
_journal_name_full 'General Meeting of the International Mineralogical Association'
_journal_volume 18 
_journal_year 2002
_journal_page_first MO2
_journal_page_last 117
_publ_section_title
;
 Arrojadite: variations in space group and composition
 based on four new refinements
 Sample: arropala
;
_database_code_amcsd 0012658
_chemical_compound_source 'Palermo No. 1 mine, Groton, New Hampshire, USA'
_chemical_formula_sum 'Al Sr.23 Ca.23 Fe11.69 Ba.06 K.68 Na4.459 Mg1.85 P12 O50'
_cell_length_a 16.531
_cell_length_b 10.0040
_cell_length_c 24.644
_cell_angle_alpha 90.00
_cell_angle_beta 105.943
_cell_angle_gamma 90.00
_cell_volume 3918.765
_exptl_crystal_density_diffrn      3.497
_symmetry_space_group_name_H-M 'C c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+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
_atom_site_U_iso_or_equiv
Al   0.26167   0.99887   0.20654   1.00000   0.00490
Sr   0.48669   0.71368   0.18636   0.23000   0.01368
Ca   0.48669   0.71368   0.18636   0.23000   0.01368
Fe   0.48669   0.71368   0.18636   0.54000   0.01368
Ba   0.75613   0.50461  -0.04781   0.06000   0.01970
K1A   0.75613   0.50461  -0.04781   0.51000   0.01970
K1B   0.76050   0.64460  -0.04410   0.17000   0.00820
Na1   0.28040   0.68320  -0.01886   0.58900   0.01870
Na2A   0.13450   0.01180   0.08591   0.94500   0.02470
Na2B   0.87846   0.48930   0.32899   0.94700   0.00980
Na3A   0.26140   0.50230   0.20652   0.99800   0.01150
Na3B   0.55256   0.05390   0.25049   0.98000   0.01160
Fe1   0.98516   0.88337   0.18470   0.96000   0.00750
Mg1   0.98516   0.88337   0.18470   0.04000   0.00750
Fe2A   0.04671   0.51112  -0.06381   0.98000   0.00960
Mg2A   0.04671   0.51112  -0.06381   0.02000   0.00960
Fe2B   0.47272   0.50570  -0.02527   0.91000   0.00670
Mg2B   0.47272   0.50570  -0.02527   0.09000   0.00670
Fe3A   0.37110   0.51504  -0.15429   0.52000   0.00550
Mg3A   0.37110   0.51504  -0.15429   0.48000   0.00550
Fe3B   0.15387   0.51177   0.06580   0.56000   0.00490
Mg3B   0.15387   0.51177   0.06580   0.44000   0.00490
Fe4A   0.23606   0.74611  -0.19800   0.82000   0.00470
Mg4A   0.23606   0.74611  -0.19800   0.18000   0.00470
Fe4B   0.27880   0.74836   0.10850   0.84000   0.00600
Mg4B   0.27880   0.74836   0.10850   0.16000   0.00600
Fe5A   0.22744   0.75219   0.30433   0.99000   0.00510
Mg5A   0.22744   0.75219   0.30433   0.01000   0.00510
Fe5B   0.79347   0.74065   0.10695   0.99000   0.00580
Mg5B   0.79347   0.74065   0.10695   0.01000   0.00580
Fe6A   0.05591   0.80261   0.35348   0.90000   0.00790
Mg6A   0.05591   0.80261   0.35348   0.10000   0.00790
Fe6B   0.96393   0.69474   0.05822   0.93000   0.00660
Mg6B   0.96393   0.69474   0.05822   0.07000   0.00660
Fe7A   0.48162   0.79830   0.04887   0.89000   0.00660
Mg7A   0.48162   0.79830   0.04887   0.11000   0.00660
Fe7B   0.04223   0.78902  -0.13981   0.86000   0.00640
Mg7B   0.04223   0.78902  -0.13981   0.14000   0.00640
P1A   0.87477   0.00588   0.07462   1.00000   0.00520
P1B   0.18060   0.49527  -0.12937   1.00000   0.00670
P2A   0.39013   0.95864   0.13120   1.00000   0.00530
P2B   0.13162   0.96699  -0.21767   1.00000   0.00490
P3A   0.13681   0.74684   0.16906   1.00000   0.00440
P3B   0.88714   0.74808   0.24583   1.00000   0.00500
P4A   0.65834   0.76867   0.16115   1.00000   0.00450
P4B   0.36724   0.73522   0.25388   1.00000   0.00540
P5A   0.88967   0.72444  -0.08280   1.00000   0.00580
P5B   0.12898   0.77651   0.49440   1.00000   0.00600
P6A   0.40234   0.79605  -0.08916   1.00000   0.00790
P6B   0.11464   0.79483   0.00011   1.00000   0.00790
O1A   0.23730   0.46790  -0.06651   1.00000   0.02200
O1B   0.94030   0.04010   0.13059   1.00000   0.01110
O2A   0.14700   0.63500   0.34113   1.00000   0.00690
O2B   0.87230   0.85250   0.06839   1.00000   0.00830
O3A   0.24030   0.56020  -0.15950   1.00000   0.01070
O3B   0.28680   0.55940   0.07475   1.00000   0.00680
O4A   0.10860   0.58280  -0.12411   1.00000   0.01640
O4B   0.40240   0.57520   0.02679   1.00000   0.01440
O5A   0.13410   0.84640  -0.17891   1.00000   0.00790
O5B   0.38640   0.83850   0.09027   1.00000   0.00860
O6A   0.38480   0.09490   0.10266   1.00000   0.00860
O6B   0.13970   0.10150  -0.18755   1.00000   0.00860
O7A   0.47010   0.93590   0.17945   1.00000   0.00970
O7B   0.05020   0.96300  -0.26660   1.00000   0.00780
O8A   0.30800   0.94120   0.15010   1.00000   0.00560
O8B   0.21090   0.94320  -0.23855   1.00000   0.00660
O9A   0.17550   0.66550   0.12955   1.00000   0.00680
O9B   0.84380   0.83320   0.28145   1.00000   0.00890
O10A   0.16620   0.89250   0.17222   1.00000   0.00690
O10B   0.85710   0.60270   0.24318   1.00000   0.00590
O11A   0.15950   0.68030   0.22693   1.00000   0.00760
O11B   0.86820   0.81190   0.18562   1.00000   0.00930
O12A   0.03940   0.75090   0.14521   1.00000   0.00690
O12B   0.98350   0.75490   0.26869   1.00000   0.01010
O13A   0.66590   0.81870   0.22086   1.00000   0.00750
O13B   0.35580   0.68560   0.19318   1.00000   0.00740
O14A   0.69460   0.87210   0.12729   1.00000   0.00630
O14B   0.33270   0.63070   0.28725   1.00000   0.00750
O15A   0.56640   0.73470   0.13112   1.00000   0.00930
O15B   0.46010   0.76500   0.27885   1.00000   0.00850
O16A   0.71450   0.64340   0.16005   1.00000   0.00520
O16B   0.31040   0.85830   0.25525   1.00000   0.00660
O17A   0.89460   0.87880  -0.08334   1.00000   0.01380
O17B   0.11840   0.62320   0.49746   1.00000   0.01760
O18A   0.80710   0.67770  -0.12400   1.00000   0.00920
O18B   0.21230   0.82170   0.53560   1.00000   0.01080
O19A   0.96220   0.66470  -0.10367   1.00000   0.01050
O19B   0.05530   0.84060   0.51341   1.00000   0.01250
O20A   0.89430   0.67290  -0.02411   1.00000   0.01290
O20B   0.12670   0.82170   0.43494   1.00000   0.01070
O21A   0.40680   0.84610  -0.03002   1.00000   0.03100
O21B   0.10210   0.85340  -0.05808   1.00000   0.02540
O22A   0.41210   0.64400  -0.08930   1.00000   0.00960
O22B   0.10910   0.64070  -0.00151   1.00000   0.00920
O23A   0.31880   0.83780  -0.12982   1.00000   0.00750
O23B   0.20150   0.83540   0.03764   1.00000   0.01390
O24A   0.47410   0.85900  -0.10990   1.00000   0.01830
O24B   0.04360   0.84980   0.02553   1.00000   0.01540
O25A   0.49340   0.49750  -0.15736   1.00000   0.00950
O25B   0.03050   0.49890   0.07229   1.00000   0.00770
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Al 0.00550 0.00280 0.00640 -0.00030 0.00180 0.00020
Sr 0.01490 0.01140 0.01480 0.00140 0.00430 0.00100
Ca 0.01490 0.01140 0.01480 0.00140 0.00430 0.00100
Fe 0.01490 0.01140 0.01480 0.00140 0.00430 0.00100
Ba 0.01200 0.02870 0.02140 0.00370 0.00940 0.00330
K1A 0.01200 0.02870 0.02140 0.00370 0.00940 0.00330
Na1 0.01500 0.02400 0.01700 0.01370 0.00510 0.01100
Na2A 0.04500 0.00620 0.01230 -0.00480 -0.00990 0.00190
Na2B 0.01550 0.00410 0.00740 -0.00180 -0.00100 0.00000
Na3A 0.01500 0.00580 0.01120 -0.00180 -0.00090 -0.00080
Na3B 0.00990 0.01290 0.00970 -0.00210 -0.00140 -0.00220
Fe1 0.00730 0.00600 0.00960 -0.00150 0.00270 -0.00320
Mg1 0.00730 0.00600 0.00960 -0.00150 0.00270 -0.00320
Fe2A 0.01410 0.00670 0.00690 -0.00190 0.00100 -0.00150
Mg2A 0.01410 0.00670 0.00690 -0.00190 0.00100 -0.00150
Fe2B 0.00810 0.00560 0.00540 -0.00050 -0.00010 -0.00050
Mg2B 0.00810 0.00560 0.00540 -0.00050 -0.00010 -0.00050
Fe3A 0.00700 0.00390 0.00530 0.00010 0.00120 -0.00060
Mg3A 0.00700 0.00390 0.00530 0.00010 0.00120 -0.00060
Fe3B 0.00600 0.00280 0.00500 0.00080 0.00010 0.00090
Mg3B 0.00600 0.00280 0.00500 0.00080 0.00010 0.00090
Fe4A 0.00630 0.00280 0.00470 0.00130 0.00080 0.00020
Mg4A 0.00630 0.00280 0.00470 0.00130 0.00080 0.00020
Fe4B 0.00580 0.00400 0.00740 0.00030 0.00070 -0.00050
Mg4B 0.00580 0.00400 0.00740 0.00030 0.00070 -0.00050
Fe5A 0.00590 0.00400 0.00500 0.00000 0.00070 -0.00100
Mg5A 0.00590 0.00400 0.00500 0.00000 0.00070 -0.00100
Fe5B 0.00640 0.00460 0.00600 -0.00020 0.00090 0.00060
Mg5B 0.00640 0.00460 0.00600 -0.00020 0.00090 0.00060
Fe6A 0.00930 0.00840 0.00550 -0.00090 0.00140 0.00040
Mg6A 0.00930 0.00840 0.00550 -0.00090 0.00140 0.00040
Fe6B 0.00850 0.00590 0.00520 0.00040 0.00150 0.00020
Mg6B 0.00850 0.00590 0.00520 0.00040 0.00150 0.00020
Fe7A 0.00850 0.00710 0.00400 0.00270 0.00100 -0.00070
Mg7A 0.00850 0.00710 0.00400 0.00270 0.00100 -0.00070
Fe7B 0.00780 0.00620 0.00480 -0.00140 0.00110 0.00080
Mg7B 0.00780 0.00620 0.00480 -0.00140 0.00110 0.00080
P1A 0.00720 0.00350 0.00520 -0.00010 0.00180 -0.00050
P1B 0.00950 0.00440 0.00690 -0.00150 0.00350 -0.00050
P2A 0.00730 0.00330 0.00530 0.00000 0.00160 0.00040
P2B 0.00610 0.00350 0.00450 -0.00050 0.00080 -0.00050
P3A 0.00560 0.00340 0.00410 0.00030 0.00080 0.00040
P3B 0.00580 0.00330 0.00570 -0.00080 0.00100 -0.00020
P4A 0.00610 0.00280 0.00450 -0.00010 0.00160 -0.00070
P4B 0.00710 0.00340 0.00480 0.00060 0.00020 0.00090
P5A 0.00860 0.00370 0.00460 0.00150 0.00080 -0.00040
P5B 0.00640 0.00440 0.00690 -0.00060 0.00140 0.00030
P6A 0.01140 0.00240 0.00770 0.00040 -0.00110 -0.00050
P6B 0.00790 0.00540 0.00760 -0.00160 -0.00260 0.00000
O1A 0.02000 0.03800 0.00630 -0.00400 0.00150 0.00370
O1B 0.01400 0.00710 0.00920 0.00150 -0.00140 -0.00080
O2A 0.01000 0.00330 0.00780 0.00190 0.00280 0.00040
O2B 0.01100 0.00530 0.01040 -0.00110 0.00500 0.00000
O3A 0.01300 0.00750 0.01340 -0.00200 0.00700 -0.00150
O3B 0.00520 0.00540 0.00940 0.00010 0.00130 -0.00340
O4A 0.02100 0.00910 0.02500 0.00180 0.01570 -0.00020
O4B 0.02100 0.01200 0.01440 0.00410 0.01220 0.00480
O5A 0.01100 0.00570 0.00760 -0.00180 0.00410 -0.00090
O5B 0.01100 0.00490 0.01100 -0.00240 0.00480 -0.00670
O6A 0.01100 0.00510 0.01160 0.00200 0.00520 0.00200
O6B 0.01200 0.00620 0.00750 0.00050 0.00240 0.00090
O7A 0.00800 0.01170 0.00840 0.00380 0.00120 0.00330
O7B 0.01100 0.00480 0.00580 -0.00280 -0.00070 0.00080
O8A 0.00450 0.00570 0.00840 -0.00240 0.00500 -0.00070
O8B 0.00800 0.00470 0.00570 -0.00110 -0.00130 0.00030
O9A 0.00800 0.00560 0.00780 0.00080 0.00300 -0.00180
O9B 0.01200 0.00670 0.00980 -0.00140 0.00590 0.00040
O10A 0.01200 0.00180 0.00700 0.00190 0.00210 0.00180
O10B 0.00590 0.00520 0.00550 -0.00160 -0.00070 -0.00190
O11A 0.01000 0.00800 0.00530 -0.00140 0.00200 -0.00220
O11B 0.01200 0.00700 0.00870 -0.00010 0.00190 0.00430
O12A 0.00440 0.00600 0.01100 -0.00260 0.00310 -0.00320
O12B 0.01000 0.00490 0.01400 0.00050 0.00160 -0.00280
O13A 0.01200 0.00390 0.00690 0.00240 0.00360 -0.00030
O13B 0.01100 0.00600 0.00550 0.00070 0.00230 -0.00210
O14A 0.00690 0.00550 0.00520 -0.00030 -0.00030 0.00160
O14B 0.01200 0.00420 0.00680 0.00070 0.00440 -0.00030
O15A 0.00400 0.01030 0.01170 -0.00010 -0.00060 -0.00120
O15B 0.00700 0.00670 0.01040 -0.00240 0.00050 0.00150
O16A 0.00780 0.00190 0.00580 0.00060 0.00190 -0.00160
O16B 0.00800 0.00500 0.00520 0.00150 -0.00070 0.00140
O17A 0.01800 0.00560 0.01230 0.00130 -0.00580 0.00000
O17B 0.02700 0.00470 0.01400 0.00060 -0.00700 0.00280
O18A 0.01000 0.00890 0.00790 0.00120 0.00090 -0.00020
O18B 0.00900 0.00880 0.01030 -0.00300 -0.00400 0.00480
O19A 0.00900 0.01200 0.01080 0.00140 0.00210 -0.00430
O19B 0.00900 0.01900 0.00980 0.00420 0.00390 -0.00230
O20A 0.01400 0.01500 0.00930 -0.00570 0.00340 0.00040
O20B 0.01600 0.01170 0.00400 -0.00120 0.00240 0.00140
O21A 0.05300 0.02000 0.01000 0.02500 -0.00900 -0.00510
O21B 0.03900 0.01800 0.00900 -0.01900 -0.01000 0.00770
O22A 0.01800 0.00010 0.00910 -0.00320 0.00060 0.00150
O22B 0.01200 0.00580 0.00790 -0.00400 0.00000 0.00060
O23A 0.01400 0.00300 0.00500 0.00050 0.00210 -0.00210
O23B 0.01500 0.01300 0.01200 -0.00770 0.00000 0.00060
O24A 0.01000 0.01100 0.02800 -0.00380 -0.00440 0.00650
O24B 0.01200 0.01000 0.02200 0.00390 -0.00010 -0.00760
O25A 0.00600 0.01100 0.01200 -0.00170 0.00290 -0.00520
O25B 0.01200 0.00250 0.00700 -0.00220 0.00010 -0.00100

Synonyms of Arrojadite GroupHide

Arrojadite

Other Language Names for Arrojadite GroupHide

Norwegian:Arrojadittgruppen

Relationship of Arrojadite Group to other SpeciesHide

Arrojadite Group Members:

Arrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. 2/m : B2/b
Arrojadite-(KFe)	(KNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
'Arrojadite-(KFeNa)'	(KNa)(Fe²⁺◻)Ca(Na₂Na)Fe²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂
Arrojadite-(KNa)	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
'Arrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(PbFe)	(Pb◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
Arrojadite-(SrFe)	(Sr◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂	Mon. 2/m : B2/b
'Ferri-arrojadite-(BaNa)'	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Fe³⁺(PO₄)₁₁(PO₃OH)(OH)₂
Fluorarrojadite-(BaFe)	(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
Fluorarrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
'Fluorarrojadite-(KNa)'	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
'Fluorarrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
Fluorcarmoite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Mg₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
Manganoarrojadite-(KNa)	(KNa)(NaNa)Mn²⁺(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
Sigismundite	(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb

Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.

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 GroupHide

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https://www.mindat.org/min-28960.html
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References for Arrojadite GroupHide

Reference List:

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

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

Della Ventura, Giancarlo, Bellatreccia, Fabio, Radica, Francesco, Chopin, Christian, Oberti, Roberta (2014) The arrojadite enigma III. The incorporation of volatiles: a polarised FTIR spectroscopy study. European Journal of Mineralogy, 26 (5) 679-688 doi:10.1127/0935-1221/2014/0026-2397

Localities for Arrojadite GroupHide

Showing 132 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)

Austria
Styria Murau District Stadl-Predlitz ⓘ Kaltwasser	[Arrojadite-(BaNa)] Bojar (2019)
Weiz District Fischbach ⓘ Faschingbauerkreuz - Reithkogel area (Gießhübler Berg; Gießhübler Holzschlag)	Bernhard (1996)

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 - ...
ⓘ Sapucaia mine	[Arrojadite-(PbFe)] Chopin et al. (2006)
Paraíba Pedra Lavrada ⓘ Alto Patrimônio pegmatite	[Arrojadite-(KFe)] Murdoch (1955)
ⓘ Serra Branca pegmatite	[Arrojadite-(KFe)] Rocks & Minerals (Jan.2000) +2 other references
Rio Grande do Norte Parelhas ⓘ Boqueirão pegmatite	Fernandes et al. (2022)
ⓘ Tibiri pegmatite	Fernandes et al. (2022)

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-(BaNa), Arrojadite-(KFe), Arrojadite-(KNa), Sigismundite] Robinson et al. (1992)
ⓘ Boundary Creek	[Arrojadite-(NaFe)] ...
ⓘ Locality 15	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Locality 16	[Arrojadite-(KFe)] Robinson et al. (1992)
ⓘ Rapid Creek	[Arrojadite-(KFe), Arrojadite-(KNa), Sigismundite] 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), Fluorarrojadite-(BaNa)] Rao et al. (2014)

Czech Republic
Plzeň Region Domažlice District Otov ⓘ Otov I pegmatite	[Arrojadite-(KFe), Dickinsonite-(KMnNa)] Masau et al. (2000)

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

Finland
South Ostrobothnia Seinäjoki ⓘ P-K pegmatite	[Sigismundite] Ilkka Mikkola collection
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 Freyung-Grafenau District Waldkirchen Oberfrauenwald ⓘ Eitzing Quarry	Habel (2001)
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), Arrojadite-(NaFe), Arrojadite-(SrFe), Sigismundite] web.archive.org (2001)
Saxony Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine	[Arrojadite-(KFe)] Thomas et al. (2000)

Italy
Liguria Savona Province Magliolo Isallo ⓘ Maremola Creek	[Fluorcarmoite-(BaNa)] Bracco et al. (2016) +1 other reference
Lombardy Lecco Province Colico ⓘ Piona Peninsula	[Arrojadite-(KFe)] VIGNOLA et al. (2007)
ⓘ Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke)	[Arrojadite-(KNa)] Vignola et al. (2011)
Dorio ⓘ Luna pegmatitic dyke	[Arrojadite-(BaNa)] Williams et al. (2015) +2 other references
Sondrio Province Madesimo ⓘ Groppera Alp	[Sigismundite] Demartin et al. (1996)

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), Fluorarrojadite-(BaFe)] 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)

Rwanda
Western Province Ngororero District Muhororo ⓘ Buranga pegmatite	[Sigismundite] von Knorring (1969) +2 other references

Slovakia
Košice Region Gelnica District Nálepkovo ⓘ Surovec granite body	Petrik et al. (2011)
Rožňava District Gemerská Poloma ⓘ Elisabeth Mine	[Fluorarrojadite-(BaFe), Fluorarrojadite-(BaNa)] Števko et al. (2015)

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)
Värmland County Torsby ⓘ Hålsjöberg	[Arrojadite-(SrFe)] Chopin et al. (2006)

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), Manganoarrojadite-(KNa)] 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), Arrojadite-(KNa)] Chopin et al. (2006)
Pennington County Keystone Mining District Glendale ⓘ Big Chief Mine	[Sigismundite] Loomis (2011)
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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