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Arrojadite-(KFeNa)

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Formula:
(KNa)(Fe2+◻)Ca(Na2Na)Fe2+13Al(PO4)11(PO4)(OH)2
Name:
For Miguel Arrojado Lisbôa, Brazilian geologist and Redefinition after the new arrojadite nomenclature (CNMMN 05-D, October 2005).
Arrojadite Group

The material has not yet been approved and needs further characterization.


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Unique IdentifiersHide

Mindat ID:
29415
Long-form identifier:
mindat:1:1:29415:5

Similar NamesHide

ArrojaditeA synonym of Arrojadite GroupA2 E2CaNa2+xM13R (PO3OH)1-x(PO4)11W2
Arrojadite (of Mason)A synonym of HagendorfiteNaCaMn2+Fe22+(PO4)3
Arrojadite-(BaFe)A synonym of Sigismundite{Ba◻}{Fe2+◻}{Ca}{Na2◻}{Fe132+}{Al}(PO4)11(HPO4)(OH)2
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-(KFe)-Dickinsonite-(KMnNa) SeriesA solid-solution series between two end-member minerals
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

Classification of Arrojadite-(KFeNa)Hide

Strunz-mindat (2026):
8.BF.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
F : With medium-sized and large cations, (OH, etc.):RO4< 0.5:1

Chemistry of Arrojadite-(KFeNa)Hide

Mindat Formula:
(KNa)(Fe2+◻)Ca(Na2Na)Fe2+13Al(PO4)11(PO4)(OH)2
Element Weights:
Element% weight
O37.145 %
Fe36.303 %
P17.259 %
Na4.270 %
Ca1.861 %
K1.816 %
Al1.253 %
H0.094 %

Calculated from ideal end-member formula.
Elements listed:
Al, Ca, Fe, H, K, Na, O, P - search for minerals with similar chemistry

Other Language Names for Arrojadite-(KFeNa)Hide

Relationship of Arrojadite-(KFeNa) to other SpeciesHide

Member of:
Arrojadite Group
Other Members of Arrojadite Group:
Arrojadite-(BaNa)(Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. 2/m : B2/b
Arrojadite-(KFe)(KNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
Arrojadite-(KNa)(KNa)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. 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)2Mon. m : Bb
Arrojadite-(SrFe)(Sr◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
Dickinsonite-(KMnNa)(KNa)(Mn2+◻)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2Mon. 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)F2Mon. m : Bb
Fluorarrojadite-(BaNa)(Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2Mon. 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)F2Mon. m : Bb
Manganoarrojadite-(KNa)(KNa)(NaNa)Mn2+(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
Sigismundite(Ba◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb

Related Minerals - Strunz-mindat GroupingHide

8.BF.Manganoarrojadite-(KNa)(KNa)(NaNa)Mn2+(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.Sigismundite(Ba◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.05Dickinsonite-(KMnNa)(KNa)(Mn2+◻)Ca(Na2Na)Mn2+13Al(PO4)11(PO4)(OH)2Mon. 2/m : B2/b
8.BF.05Arrojadite-(KNa)(KNa)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.05Fluorarrojadite-(BaNa)(Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2Mon. m : Bb
8.BF.05Arrojadite-(KFe)(KNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.05Arrojadite-(PbFe)(Pb◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.05Fluorarrojadite-(BaFe)(Ba◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2Mon. m : Bb
8.BF.05'Unnamed (Ba-dominant member of dickinsonite group)'
8.BF.05'Unnamed (Pb-dominant member of dickinsonite group)'
8.BF.05Arrojadite-(SrFe)(Sr◻)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. m : Bb
8.BF.05'Arrojadite-(NaFe)'(NaNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2
8.BF.05Arrojadite-(BaNa)(Ba◻)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)(OH)2Mon. 2/m : B2/b
8.BF.05'Ferri-arrojadite-(BaNa)'(Ba◻)(NaNa)Ca(Na2◻)Fe2+13Fe3+(PO4)11(PO3OH)(OH)2
8.BF.05'Fluorarrojadite-(KNa)'(KNa)(NaNa)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2
8.BF.05'Fluorarrojadite-(NaFe)'(NaNa)(Fe2+◻)Ca(Na2◻)Fe2+13Al(PO4)11(PO3OH)F2
8.BF.05Fluorcarmoite-(BaNa)(Ba◻)(NaNa)Ca(Na2◻)Mg13Al(PO4)11(PO3OH)F2Mon. m : Bb
8.BF.10Samuelsonite(Ca,Ba)Ca8Fe2+2Mn2+2Al2(PO4)10(OH)2Mon. 2/m : B2/m
8.BF.15GriphiteNa4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8Iso. m3 (2/m 3) : Pa3
8.BF.20NabiasiteBaMn9(VO4)6(OH)2Iso. m3 (2/m 3) : Pa3
8.BF.25StarovaiteKCu5O(VO4)3 Tric. 1 : P1
8.BF.30Achyrophanite(K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5Orth. 2 2 2 : P2 2 21
8.BF.35CryptochalciteK2Cu5O(SO4)5Tric. 1 : P1
8.BF.35CesiodymiteCsKCu5O(SO4)5Tric. 1 : P1

RadioactivityHide

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-(KFeNa)Hide

References for Arrojadite-(KFeNa)Hide

Reference List:
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