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Mogovidite

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Formula:
Na
 
9
(Ca,Na)
 
5
Ca
 
6
Zr
 
3
Fe
 
2
(Si,Nb)[(OH,H
 
2
O)
 
3
|Cl
 
0.3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
]
System:Trigonal
Member of:Eudialyte Group


Nb-deficient carbonate analogue of Feklichevite

Eudialyte group

Classification of Mogovidite

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:9.CO.10

9 : SILICATES (Germanates)
C : Cyclosilicates
O : [Si9O27]18- 9-membered rings
Dana 8th edition ID:64.1.4.

64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types
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Type Occurrence of Mogovidite

Type Locality:Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Geological Setting of type material:supposedly formed by action of alkaline fluids on calcite carbonatites

Crystallography of Mogovidite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 14.232Å, c = 30.21Å
Ratio:a:c = 1 : 2.123
Unit Cell Volume:V 5,299.24 ų (Calculated from Unit Cell)
Z:3
X-Ray Powder Diffraction:
d-spacingIntensity
4.31(64)
3.213(100)
3.163(44)
3.027(65)
2.977(91)
2.859(79)
2.703(46)
2.595(45)
Comments:From type locality.

Chemical Properties of Mogovidite

Formula:
Na
 
9
(Ca,Na)
 
5
Ca
 
6
Zr
 
3
Fe
 
2
(Si,Nb)[(OH,H
 
2
O)
 
3
|Cl
 
0.3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
]
All elements listed in formula:C, Ca, Cl, Fe, H, Na, Nb, O, Si, Zr
Analytical Data:Empirical formula derived mainly from electron microprobe data, based on 25 Si atoms and Z = 3
Empirical Formula:
Na
 
10-12
Ca
 
9-10
K
 
0.3
Ce
 
0.1
Zr
 
2.8-3.2
Nb
 
0.36-0.45
Fe
 
1.9-2.2
Mn
 
0.2-0.3
Si
 
25
O
 
72
(CO
 
3
)
 
0.9-1.1
Cl
 
0.2-0.4
(OH,H
 
2
O)
 
n
Common Impurities:Ce,K,Mn,Ti

Relationship of Mogovidite to other Species

Member of:Eudialyte Group
Other Members of Group:

- +
Alluaivite
Na
 
19
(Ca,Mn)
 
6
(Ti,Nb)
 
3
Si
 
26
O
 
74
Cl · 2H
 
2
O
Andrianovite
Na
 
12
(K,Sr,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,H
 
2
O,OH)
 
5
Aqualite
(H
 
3
O)
 
8
(Na,K,Sr)
 
5
Ca
 
6
Zr
 
3
Si
 
26
O
 
66
(OH)
 
9
Cl
Carbokentbrooksite
Na
 
11-12
(Na,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
Dualite
Na
 
30
(Ca,Na,Ce,Sr)
 
12
(Na,Mn,Fe,Ti)
 
6
Zr
 
3
Ti
 
3
Mn[Si
 
51
O
 
144
](OH,H
 
2
O,Cl)
 
9
Eudialyte
Na
 
15
Ca
 
6
(Fe
2+
 
,Mn
2+
 
)
 
3
Zr
 
3
[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
Feklichevite
Na
 
11
Ca
 
9
(Fe
3+
 
,Fe
2+
 
)
 
2
Zr
 
3
Nb[Si
 
25
O
 
73
](OH,H
 
2
O,Cl,O)
 
5
Fengchengite
Na
 
12
 
3
(Ca,Sr)
 
6
Fe
3+
3
Zr
 
3
Si(Si
 
25
O
 
73
)(H
 
2
O,OH)
 
3
(OH,Cl)
 
2
Ferrokentbrooksite
Na
 
15
Ca
 
6
(Fe,Mn)
 
3
Zr
 
3
NbSi
 
25
O
 
73
(O,OH,H
 
2
O)
 
3
Cl
 
2
Georgbarsanovite
Na
 
12
(Mn,Sr,REE)
 
3
Ca
 
6
Fe
2+
3
Zr
 
3
NbSi
 
25
O
 
76
Cl
 
2
·H
 
2
O
Golyshevite
Na
 
10
Ca
 
3
Ca
 
6
Zr
 
3
Fe
 
2
SiNb(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
CO
 
3
(OH)
 
3
· H
 
2
O
Ikranite
(Na,H
 
3
O)
 
15
(Ca,Mn
2+
 
)
 
6
Fe
3+
2
Zr
 
3-4
[Cl|(H
 
0-3
Si
 
3
O
 
9
)
 
2
|{(Si
 
9
O
 
27
)
 
2
,(Si
 
9
O
 
27
)
 
2
SiO}] · 2-3H
 
2
O
Johnsenite-(Ce)
Na
 
12
(Ce,La,Sr,Ca)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[(OH,Cl)
 
2
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
Kentbrooksite
(Na,REE)
 
15
(Ca,REE)
 
6
(Mn
2+
 
,Fe
2+
 
)
 
3
Zr
 
3
Nb[Si
 
25
O
 
74
]F
 
2
· 2H
 
2
O
Khomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
Labyrinthite
(Na,K,Sr)
 
35
Ca
 
12
Fe
 
3
Zr
 
6
TiSi
 
51
O
 
144
(O,OH,H
 
2
O)
 
9
Cl
 
3
Manganoeudialyte
Na
 
14
Ca
 
6
Mn
 
3
Zr
 
3
[Si
 
26
O
 
72
(OH)
 
2
](H
 
2
O,Cl,O,OH)
 
6
Manganokhomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
Oneillite
Na
 
15
Ca
 
3
Mn
 
3
Fe
2+
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
Raslakite
Na
 
15
Ca
 
3
Fe
2+
3
(Na,Zr)
 
3
Zr
 
3
Nb
 
<0.5
[(Cl,OH)|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(OH,H
 
2
O)
Rastsvetaevite
Na
 
27
K
 
8
Ca
 
12
Fe
 
3
Zr
 
6
Si
 
52
O
 
144
(O,OH,H
 
2
O)
 
6
Cl
 
2
Taseqite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
Nb[Cl
 
2
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(O,OH,H
 
2
O)
UM1998-21-SiO:CaCeClHMnNaZr
Na
 
16
Ca
 
6
(Mn,Ce)
 
3
Zr
 
3
(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
(OH,Cl)
 
4
Voronkovite
Na
 
15
(Na,Ca,Ce)
 
3
(Mn,Ca)
 
3
Fe
 
3
Zr
 
3
Si
 
26
O
 
72
(OH,O)
 
4
Cl · H
 
2
O
Zirsilite-(Ce)
Na
 
11-12
(Ce,Na)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
9.CO.10Alluaivite
Na
 
19
(Ca,Mn)
 
6
(Ti,Nb)
 
3
Si
 
26
O
 
74
Cl · 2H
 
2
O
9.CO.10Eudialyte
Na
 
15
Ca
 
6
(Fe
2+
 
,Mn
2+
 
)
 
3
Zr
 
3
[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Ferrokentbrooksite
Na
 
15
Ca
 
6
(Fe,Mn)
 
3
Zr
 
3
NbSi
 
25
O
 
73
(O,OH,H
 
2
O)
 
3
Cl
 
2
9.CO.10Kentbrooksite
(Na,REE)
 
15
(Ca,REE)
 
6
(Mn
2+
 
,Fe
2+
 
)
 
3
Zr
 
3
Nb[Si
 
25
O
 
74
]F
 
2
· 2H
 
2
O
9.CO.10Khomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Manganokhomyakovite
Na
 
12
Sr
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[Si
 
25
O
 
73
](O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Oneillite
Na
 
15
Ca
 
3
Mn
 
3
Fe
2+
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,OH,H
 
2
O)
 
3
(OH,Cl)
 
2
9.CO.10Raslakite
Na
 
15
Ca
 
3
Fe
2+
3
(Na,Zr)
 
3
Zr
 
3
Nb
 
<0.5
[(Cl,OH)|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(OH,H
 
2
O)
9.CO.10Feklichevite
Na
 
11
Ca
 
9
(Fe
3+
 
,Fe
2+
 
)
 
2
Zr
 
3
Nb[Si
 
25
O
 
73
](OH,H
 
2
O,Cl,O)
 
5
9.CO.10Carbokentbrooksite
Na
 
11-12
(Na,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
9.CO.10Zirsilite-(Ce)
Na
 
11-12
(Ce,Na)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb[(OH)
 
3
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
9.CO.10Ikranite
(Na,H
 
3
O)
 
15
(Ca,Mn
2+
 
)
 
6
Fe
3+
2
Zr
 
3-4
[Cl|(H
 
0-3
Si
 
3
O
 
9
)
 
2
|{(Si
 
9
O
 
27
)
 
2
,(Si
 
9
O
 
27
)
 
2
SiO}] · 2-3H
 
2
O
9.CO.10Taseqite
Na
 
12
Sr
 
3
Ca
 
6
Fe
 
3
Zr
 
3
Nb[Cl
 
2
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · 3(O,OH,H
 
2
O)
9.CO.10Rastsvetaevite
Na
 
27
K
 
8
Ca
 
12
Fe
 
3
Zr
 
6
Si
 
52
O
 
144
(O,OH,H
 
2
O)
 
6
Cl
 
2
9.CO.10Golyshevite
Na
 
10
Ca
 
3
Ca
 
6
Zr
 
3
Fe
 
2
SiNb(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
CO
 
3
(OH)
 
3
· H
 
2
O
9.CO.10Labyrinthite
(Na,K,Sr)
 
35
Ca
 
12
Fe
 
3
Zr
 
6
TiSi
 
51
O
 
144
(O,OH,H
 
2
O)
 
9
Cl
 
3
9.CO.10Johnsenite-(Ce)
Na
 
12
(Ce,La,Sr,Ca)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
W[(OH,Cl)
 
2
|CO
 
3
|(Si
 
3
O
 
9
)
 
2
|(Si
 
9
O
 
27
)
 
2
SiO] · H
 
2
O
9.CO.10Georgbarsanovite
Na
 
12
(Mn,Sr,REE)
 
3
Ca
 
6
Fe
2+
3
Zr
 
3
NbSi
 
25
O
 
76
Cl
 
2
·H
 
2
O
9.CO.10Aqualite
(H
 
3
O)
 
8
(Na,K,Sr)
 
5
Ca
 
6
Zr
 
3
Si
 
26
O
 
66
(OH)
 
9
Cl
9.CO.10Dualite
Na
 
30
(Ca,Na,Ce,Sr)
 
12
(Na,Mn,Fe,Ti)
 
6
Zr
 
3
Ti
 
3
Mn[Si
 
51
O
 
144
](OH,H
 
2
O,Cl)
 
9
9.CO.10Andrianovite
Na
 
12
(K,Sr,Ce)
 
3
Ca
 
6
Mn
 
3
Zr
 
3
Nb(Si
 
25
O
 
73
)(O,H
 
2
O,OH)
 
5
9.CO.10Voronkovite
Na
 
15
(Na,Ca,Ce)
 
3
(Mn,Ca)
 
3
Fe
 
3
Zr
 
3
Si
 
26
O
 
72
(OH,O)
 
4
Cl · H
 
2
O
9.CO.10UM1999-36-SiO:CaCeHMnNaNbSrZr
Na
 
17
(Ca,Ce,Sr)
 
2
Mn
 
3
(Zr,Nb)
 
4
Si
 
25
O
 
73
(O,OH,F,Cl)
 
5
9.CO.10UM2000-66-SiO:CaClFeHMnNaNbSrZr
Na
 
12
(Ca,Mn)
 
6
(Sr,Na,K)
 
3
(Fe,Mn)
 
3
(Zr,Nb)
 
4
Si
 
25
O
 
66
(OH,Cl)
 
11
9.CO.10Manganoeudialyte
Na
 
14
Ca
 
6
Mn
 
3
Zr
 
3
[Si
 
26
O
 
72
(OH)
 
2
](H
 
2
O,Cl,O,OH)
 
6
9.CO.10UM1990-78-SiO:CaClFeHKNaZr
(H
 
3
O)
 
7
(Na,K)
 
5
(Ca,Sr,Mn)
 
6
Zr
 
3
[Si
 
3
O
 
7
(O,OH)
 
2
]
 
2
[Si
 
9
O
 
23
(O,OH)
 
4
]2[SiNaFe(Zr,Ti,Al,Nb)□]Cl
 
1.5
(O,OH)
9.CO.10UM-1990-79-SiO:CaClFeHMnNaNbREEZr
Na
 
14
Ca
 
5
(Mg,Ca,Mn)Zr
 
3
(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
(Si,Nb,Al,Zr)
 
2
(Fe,Zr)
 
3
(Mn,Na,Ce,La,Y)(Na,H
 
2
O,K,Sr)(OH)
 
4-5
(OH,Cl)
9.CO.10UM1971-22-SiO:CaClFeHMgMnNaNbZr
Na
 
12
Ca
 
5
(Ce,La,Y,Ca)Zr
 
3
(Zr,Nb)(Fe,Mn)
 
3
[Si
 
9
O
 
24-26
(OH)
 
1-3
]
 
2
[Si
 
3
O
 
9
]
 
2
Cl
9.CO.10UM1998-21-SiO:CaCeClHMnNaZr
Na
 
16
Ca
 
6
(Mn,Ce)
 
3
Zr
 
3
(Si
 
3
O
 
9
)
 
2
(Si
 
9
O
 
27
)
 
2
(OH,Cl)
 
4

Other Names for Mogovidite

Synonyms:
IMA2004-040
Other Languages:
German:Mogovidit

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 Mogovidite

Reference List:

- +
Rosenberg, K.A., Rastsvetayeva, R.K., Chukanov, N.V., Verin, I.A. (2005): Crystal structure of the niobium-deficient carbonate analog of feklichevite. [i]Doklady Akademii Nauk[/i], [b]400[/b], 640-644.

Internet Links for Mogovidite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Mogovidite

    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.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Kovdor Massif
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    Current server date and time: 21st Jan 2012 07:09:28
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