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Kettnerite

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Barbora adit, Knöttel (Knötel; Knödel) area, Krupka (Graupen), Krušné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic

Show Kettnerite Photos (12)
Formula:
(BiO)Ca[F|CO
 
3
]
System:Orthorhombic


A rare secondary Ca-Bi carbonate visually indistinguishable from bismutite and beyerite.

Classification of Kettnerite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/C.09-30
Strunz 9th edition ID:5.BE.
Nickel-Strunz 10th (pending) edition ID:5.BE.30

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
E : With Pb, Bi
Dana 8th edition ID:16a.3.7.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)2(XO3)Zq
Hey's CIM Ref.:12.1.26

12 : Carbonates with other anions
1 : Carbonates with halides
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Type Occurrence of Kettnerite

Type Locality:Barbora adit, Knöttel (Knötel; Knödel) area, Krupka (Graupen), Krušné Hory Mts (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1956

Crystallography of Kettnerite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 5.3641Å, c = 13.5771Å
Ratio:a:c = 1 : 2.531
Unit Cell Volume:V 0.00 ų (Calculated from Unit Cell)
Z:4
Twinning:Twinned via [001].
Comment:Pseudotetragonal, twinned. Subcell with a = 3.798 and c = 13.569 also known.

Chemical Properties of Kettnerite

Formula:
(BiO)Ca[F|CO
 
3
]
Essential elements:Bi, C, Ca, F, O
All elements listed in formula:Bi, C, Ca, F, O

Relationship of Kettnerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.BE.05Shannonite
Pb
 
2
[O|CO
 
3
]
5.BE.10Hydrocerussite
Pb
 
3
(CO
 
3
)
 
2
(OH)
 
2
5.BE.15Plumbonacrite
Pb
 
5
O(OH)
 
2
(CO
 
3
)
 
3
5.BE.20Phosgenite
Pb
 
2
[Cl
 
2
|CO
 
3
]
5.BE.25Bismutite
(BiO)
 
2
CO
 
3
5.BE.35Beyerite
Ca(BiO)
 
2
(CO
 
3
)
 
2
Related Minerals - Hey's Index Grouping:

- +
12.1.1Northupite
Na
 
3
Mg(CO
 
3
)
 
2
Cl
12.1.2Barentsite
Na
 
7
AlH
 
2
(CO
 
3
)
 
4
F
 
4
12.1.3Rouvilleite
Na
 
3
(Ca,Mn,Fe)
 
2
(CO
 
3
)
 
3
F
12.1.4Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
[(OH)
 
12
|(Cl
 
2
,CO
 
3
)] · 2H
 
2
O
12.1.5Defernite
Ca
 
6
(CO
 
3
)
 
2-x
(SiO
 
4
)
 
x
(OH)
 
7
(Cl,OH)
 
1-2x
 (x=0.5)
12.1.6Brenkite
Ca
 
2
[F
 
2
|CO
 
3
]
12.1.7Stenonite
(Sr,Ba,Na)
 
2
AlCO
 
3
F
 
5
12.1.8Bastnäsite-(Ce)
(Ce,La)[F|CO
 
3
]
12.1.9Bastnäsite-(La)
(La,Ce)[F|CO
 
3
]
12.1.10Bastnäsite-(Y)
(Y,Ce)[F|CO
 
3
]
12.1.11Parisite-(Ce)
Ca(Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
12.1.12Parisite-(Nd)
Ca(Nd,Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
12.1.13Synchysite-(Ce)
Ca(Ce,La)[F|(CO
 
3
)
 
2
]
12.1.14Synchysite-(Y)
Ca(Y,Ce)[F|(CO
 
3
)
 
2
]
12.1.15Synchysite-(Nd)
Ca(Nd,Y,Gd)[F|(CO
 
3
)
 
2
]
12.1.16Röntgenite-(Ce)
Ca
 
2
(Ce,La)
 
3
[F
 
3
|(CO
 
3
)
 
5
]
12.1.17Cordylite-(Ce)
(Na,Ca)BaCe
 
2
(CO
 
3
)
 
4
F
12.1.19Huanghoite-(Ce)
BaCe[F|(CO
 
3
)
 
2
]
12.1.20Zhonghuacerite-(Ce)
Ba
 
2
Ce[F|(CO
 
3
)
 
3
]
12.1.21Cebaite-(Ce)
Ba
 
3
Ce
 
2
[F
 
2
|(CO
 
3
)
 
5
]
12.1.22Thorbastnäsite
Th(Ca,Ce)(CO
 
3
)
 
2
F
 
2
·3H
 
2
O
12.1.23Phosgenite
Pb
 
2
[Cl
 
2
|CO
 
3
]
12.1.24Barstowite
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
12.1.25Albrechtschraufite
Ca
 
4
Mg(UO
 
2
)
 
2
[F
 
2
|(CO
 
3
)
 
6
] · 17 H
 
2
O

Other Names for Kettnerite

Other Languages:
German:Kettnerit
Russian:Кеттнерит
Spanish:Kettnerita

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 Kettnerite

Reference List:American Mineralogist (1957): 42:121.

American Mineralogist (1958): 43: 385.

Grice, J. D., Cooper, M. A. & Hawthorne, F. C. (1999): Crystal-structure determination of twinned kettnerite. Canadian Mineralogist, 37, 923-927.

Hybler, J. & Dušek, M. (2007): Revision of the crystal structure of kettnerite CaBi[OFCO3]. European Journal of Mineralogy, 19, 411-418.

Hybler, J. & Durovic, S. (2009): The OD interpretation of the crystal structure of kettnerite CaBiOFCO3. Acta Crystallogr. A65, 501-511.


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    Localities for Kettnerite

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