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Arrojadite-(KFeNa)

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Formula:
{KNa}{Fe
2+
 
◻}{Ca}{Na
 
3
}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Member of:Arrojadite Group
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.

Classification of Arrojadite-(KFeNa)

IMA status:Not Approved
Strunz 8th edition ID:7/B.20-

7 : Phosphates, Arsenates, Vanadates
B : Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of very small size: Li, Be
20 : Arrojadite - Samuelsonite series
mindat.org URL:http://www.mindat.org/min-29415.html
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Chemical Properties of Arrojadite-(KFeNa)

Formula:
{KNa}{Fe
2+
 
◻}{Ca}{Na
 
3
}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Essential elements:Al, Ca, Fe, H, K, Na, O, P
All elements listed in formula:Al, Ca, Fe, H, K, Na, O, P

Relationship of Arrojadite-(KFeNa) to other Species

Member of:Arrojadite Group
Other Members of Group:

- +
Arrojadite-(BaFe)
{Ba◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(BaNa)
{Ba◻}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(KFe)
{KNa}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(KNa)
{KNa}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(NaFe)
{Na
 
2
}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(PbFe)
{Pb◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Arrojadite-(SrFe)
{Sr◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Dickinsonite-(KMnNa)
{KNa}{Mn
2+
 
◻}{Ca}{Na
 
3
}{Mn
2+
13
}{Al}(PO
 
4
)
 
12
(OH)
 
2
Ferri-arrojadite-(BaNa)
{Ba◻}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Fe
3+
 
}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
Fluorarrojadite-(BaFe)
{Ba◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
Fluorarrojadite-(KNa)
{KNa}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
Fluorarrojadite-(NaFe)
{Na
 
2
}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
Related Minerals - Strunz Grouping):

- +
7/B.20-Arrojadite-(NaFe)
{Na
 
2
}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-Arrojadite-(BaNa)
{Ba◻}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-Ferri-arrojadite-(BaNa)
{Ba◻}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Fe
3+
 
}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-Fluorarrojadite-(KNa)
{KNa}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
7/B.20-Fluorarrojadite-(NaFe)
{Na
 
2
}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
7/B.20-10Arrojadite-(KFe)
{KNa}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-15Arrojadite-(KNa)
{KNa}{Na
 
2
}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-20Dickinsonite-(KMnNa)
{KNa}{Mn
2+
 
◻}{Ca}{Na
 
3
}{Mn
2+
13
}{Al}(PO
 
4
)
 
12
(OH)
 
2
7/B.20-22Arrojadite-(SrFe)
{Sr◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-23Arrojadite-(PbFe)
{Pb◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-24Fluorarrojadite-(BaFe)
{Ba◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)F
 
2
7/B.20-25Arrojadite-(BaFe)
{Ba◻}{Fe
2+
 
◻}{Ca}{Na
 
2
◻}{Fe
2+
13
}{Al}(PO
 
4
)
 
11
(HPO
 
4
)(OH)
 
2
7/B.20-30Samuelsonite
(Ca,Ba)Ca
 
8
Fe
2+
2
Mn
2+
2
Al
 
2
(PO
 
4
)
 
10
(OH)
 
2
7/B.20-40Nabiasite
BaMn
2+
9
(VO
 
4
,AsO
 
4
)
 
6
(OH)
 
2

Other Names for Arrojadite-(KFeNa)

Other Languages:
Russian:Арроядит-(KFeNa)

Other Information

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

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