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Metaköttigite

Formula:
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
·8(H
 
2
O,OH)
This page provides mineralogical data about Metaköttigite.

Classification of Metaköttigite

IMA status:Approved
Strunz 8th edition ID:7/C.14-30
Nickel-Strunz 10th (pending) edition ID:8.CE.85

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
Dana 8th edition ID:40.3.8.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
Hey's CIM Ref.:20.3.19

20 : Arsenates (also arsenates with phosphate, but without other anions)
3 : Arsenates of Zn, Cd or Hg
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Type Occurrence of Metaköttigite

Type Locality:Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico

Optical Data of Metaköttigite

Type:Biaxial (+)
RI values: nα = 1.648 nβ = 1.680 nγ = 1.716
2V:Measured: 93° , Calculated: 90°
Maximum Birefringence:δ = 0.068

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v

Chemical Properties of Metaköttigite

Formula:
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
·8(H
 
2
O,OH)
Essential elements:As, H, O, Zn
All elements listed in formula:As, Fe, H, O, Zn

Relationship of Metaköttigite to other Species

Member of Group:
Symplesite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
8.CE.05Chudobaite
(Mg,Zn)
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
8.CE.05Geigerite
Mn
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
8.CE.10Newberyite
MgHPO
 
4
·3H
 
2
O
8.CE.15Brassite
MgHAsO
 
4
·4H
 
2
O
8.CE.20Phosphorrösslerite
MgHPO
 
4
·7H
 
2
O
8.CE.20Rösslerite
MgHAsO
 
4
·7H
 
2
O
8.CE.25Metaswitzerite
Mn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
8.CE.25Switzerite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
·7H
 
2
O
8.CE.30Lindackerite
CuCu
 
4
[HAsO
 
4
|AsO
 
4
]
 
2
 · 8-9H
 
2
O
8.CE.30IMA2008-010
CaCu
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH)
 
2
·10H
 
2
O
8.CE.30Veselovskýite
ZnCu
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH)
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH)
 
2
·9H
 
2
O
8.CE.35Bobierrite
Mg
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Annabergite
Ni
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Arupite
Ni
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Erythrite
Co
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Ferrisymplesite
Fe
3+
3
[(OH)
 
3
|(AsO
 
4
)
 
2
] · 5H
 
2
O
8.CE.40Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Köttigite
Zn
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.40Vivianite
Fe
2+
3
(PO
 
4
)
 
2
·8H
 
2
O
8.CE.40Pakhomovskyite
Co
 
3
[PO
 
4
]
 
2
 · 8H
 
2
O
8.CE.45Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
·8H
 
2
O
8.CE.50Cattiite
Mg
 
3
(PO
 
4
)
 
2
·22H
 
2
O
8.CE.55Koninckite
Fe
3+
 
[PO
 
4
] · 3H
 
2
O
8.CE.60Kaňkite
FeAsO
 
4
·3.5H
 
2
O
8.CE.65Steigerite
AlVO
 
4
·3H
 
2
O
8.CE.70Metaschoderite
Al
 
2
(PO
 
4
)(VO
 
4
)·6H
 
2
O
8.CE.70Schoderite
Al
 
2
(PO
 
4
)(VO
 
4
)·8H
 
2
O
8.CE.75Malhmoodite
FeZr(PO
 
4
)
 
2
·4H
 
2
O
8.CE.75Zigrasite
MgZr(PO
 
4
)
 
2
·4H
 
2
O
8.CE.75Unnamed (Ca-analogue of Zigrasite)
CaZr[PO
 
4
]
 
2
·4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5H
 
2
O
8.CE.85Metavivianite
Fe
2+
3-x
Fe
3+
x
(PO
 
4
)
 
2
(OH)x·(8-x)H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.3.1Adamite
Zn
 
2
(AsO
 
4
)(OH)
20.3.2Paradamite
Zn
 
2
[OH|AsO
 
4
]
20.3.3Koritnigite
Zn[HAsO
 
4
] · H
 
2
O
20.3.4Legrandite
Zn
 
2
[OH|AsO
 
4
] · H
 
2
O
20.3.5Warikahnite
Zn
 
3
(AsO
 
4
)
 
2
·2H
 
2
O
20.3.6Köttigite
Zn
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.3.7Stranskiite
(Zn,Cu)
 
3
[AsO
 
4
]
 
2
20.3.8Philipsburgite
(Cu,Zn)
 
6
[(OH)
 
3
|(AsO
 
4
,PO
 
4
)]
 
2
 · H
 
2
O
20.3.9Austinite
CaZn[OH|AsO
 
4
]
20.3.10Prosperite
CaZn
 
2
[OH|HAsO
 
4
|AsO
 
4
]
20.3.11Gaitite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
20.3.12Zincroselite
Ca
 
2
Zn[AsO
 
4
]
 
2
 · 2H
 
2
O
20.3.13O'Danielite
Na(Zn,Mg)
 
3
H
 
2
(AsO
 
4
)
 
3
20.3.14Johillerite
Na(Mg,Zn)
 
3
Cu[AsO
 
4
]
 
3
20.3.15Holdenite
(Mn
2+
 
,Mg)
 
6
Zn
 
3
[(OH)
 
8
|(AsO
 
4
)
 
2
|SiO
 
4
]
20.3.16Chudobaite
(Mg,Zn)
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
20.3.17Chlorophoenicite
(Mn,Mg)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
20.3.18Lotharmeyerite
Ca(Zn,Mn
3+
 
)
 
2
[AsO
 
4
]
 
2
 · 2(H
 
2
O,OH)
20.3.20Ojuelaite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
20.3.21Fahleite
Zn
 
5
CaFe
 
2
(AsO
 
4
)
 
6
·14H
 
2
O
20.3.22Keyite
Cu
2+
3
Zn
 
4
Cd
 
2
(AsO
 
4
)
 
6
·2H
 
2
O

Other Names for Metaköttigite

Synonyms:
IMA1979-077Metakoettigite
Other Languages:
German:Metakoettigit
Metaköttigit
Spanish:Metakoettigita
Metaköttigita

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.

References for Metaköttigite

Reference List:American Mineralogist (1983): 68: 1039.

Internet Links for Metaköttigite

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    Localities for Metaköttigite

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    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Mexico
     
    • Durango
      • Mun. de Mapimí
        • Mapimí
    		Neues Jahrb.Min.,Mh.(1982) 506-518; J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. IV (2000)
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Nov 2009 22:53:55