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Britvinite

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Big Photo

Långban, Filipstad, Värmland, Sweden
© L Kruszewski 08

Show Britvinite Photos (4)



Formula:
[Pb
 
7
(OH)
 
3
F(BO
 
3
)
 
2
(CO
 
3
)][Mg
 
4.5
(OH)
 
3
(Si
 
5
O
 
14
)]
System:Triclinic
Name:Named in honor of Sergei Nikolaevich Britvin (b. 1965), a Russian mineralogist.


Closely related to molybdophyllite.

Originally named "Molybdophyllite-18 Å" by Charalampides (1994).

Classification of Britvinite

IMA status:Approved 2006
Strunz 8th edition ID:2/0.0-
Nickel-Strunz 10th (pending) edition ID:9.EG.70

9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
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Type Occurrence of Britvinite

Type Locality:Långban, Filipstad, Värmland, Sweden

Physical Properties of Britvinite

Density (calculated):5.42 g/cm3

Crystallography of Britvinite

Crystal System:Triclinic
Class (H-M):1 - Pedial
Space Group:P1
Cell Parameters:a = 9.3409(8) Å, b = 9.3579(7) Å, c = 18.8333(14) Å
α = 80.365(6)°, β = 75.816(6)°, γ = 59.870(5)°
Ratio:a:b:c = 0.998 : 1 : 2.013
Unit Cell Volume:V 1378.7 ų
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
18.1 (100)
3.39 (30)
3.02 (90)
2.698 (70)
2.275 (30)
1.867 (30)
1.766 (40)
1.519 (40)

Chemical Properties of Britvinite

Formula:
[Pb
 
7
(OH)
 
3
F(BO
 
3
)
 
2
(CO
 
3
)][Mg
 
4.5
(OH)
 
3
(Si
 
5
O
 
14
)]
Essential elements:B, C, F, H, Mg, O, Pb, Si
All elements listed in formula:B, C, F, H, Mg, O, Pb, Si

Relationship of Britvinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EG.05Cymrite
BaAl
 
2
Si
 
2
(O,OH)
 
8
 · H
 
2
O
9.EG.10Naujakasite
(Na,K)
 
6
(Fe
2+
 
,Mn
2+
 
,Ca)(Al,Fe)
 
4
Si
 
8
O
 
26
9.EG.10Manganonaujakasite
Na
 
6
(Mn
2+
 
,Fe
2+
 
)Al
 
4
Si
 
8
O
 
26
9.EG.15Dmisteinbergite
CaAl
 
2
Si
 
2
O
 
8
9.EG.20Kampfite
Ba
 
12
(Si
 
11
Al
 
5
)O
 
31
(CO
 
3
)
 
8
Cl
 
5
9.EG.25Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
 · 8H
 
2
O
9.EG.25Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
 · 3H
 
2
O
9.EG.30Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
 · 11H
 
2
O
9.EG.30Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
 · 8H
 
2
O
9.EG.30Tamaite
(Ca,K,Ba,Na)
 
3-4
Mn
 
24
(Si,Al)
 
40
(O,OH)
 
112
 · 21H
 
2
O
9.EG.35Coombsite
K(Mn,Fe,Mg)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
9.EG.35Zussmanite
K(Fe,Mg,Mn)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
9.EG.40Franklinphilite
(K,Na)
 
4
(Mn,Zn,Mg,Fe)
 
48
(Si,Al)
 
72
(O,OH)
 
216
 · 6H
 
2
O
9.EG.40Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
 · 16H
 
2
O
9.EG.40Parsettensite
K
 
1.2
Mn
 
8
(Si,Al)
 
12
O
 
26
(OH)
 
10
9.EG.40Stilpnomelane
(K,Ca,Na)(Fe
2+
 
,Mg,Al,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
36
 · nH
 
2
O
9.EG.45Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
9.EG.45Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
] · H
 
2
O
9.EG.50Jagoite
(Pb,Ca)
 
3
FeSi
 
3
O
 
10
(Cl,OH)
9.EG.55Wickenburgite
CaPb
 
3
Al
 
2
Si
 
10
O
 
24
(OH)
 
6
9.EG.60Hyttsjöite
Pb
 
18
Ba
 
2
Ca
 
5
Mn
2+
2
Fe
3+
2
Si
 
30
O
 
90
Cl · 6H
 
2
O
9.EG.65Armbrusterite
K
 
5
Na
 
7
Mn
 
15
[(Si
 
9
O
 
22
)
 
4
](OH)
 
10
 · 4H
 
2
O
9.EG.75Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
 · 5.5H
 
2
O

Other Names for Britvinite

Synonyms:
IMA2006-031Molybdophyllite-18 Å
Other Languages:

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 Britvinite

Reference List:

- +
Charalampides, G. and Lindqvist, B. (1988) Ganomalite, margarosanite and molybdophyllite from Långban, south-central Sweden, and synthetic equivalents. Meddelanden från Stockholms Universitets Geologiska Institution, 273, IV/1-IV/24.

Charalampides, G. (1994) Mineralogical and crystal-chemical data of the lead silicate species ganomalite, margarosanite, and molybdophyllite from Långban, south-central Sweden and their synthetic equivalents. Oryktos Ploutos, 91, 33-46. [as "Molybdophyllite-18 Å"]

Chukanov, N.V., Yakubovich, O.V., Pekov, I.V., Belakovsky, D.I., Massa, W. (2007): Britvinite, Pb15Mg9(Si10O28)(BO3)4(CO3)2(OH)12O2 - a new mineral from Langban, Sweden. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(6), 18-25.

Chukanov, N.V., Yakubovich, O.V., Pekov, I.V., Belakovsky, D.I., Massa, W.: Britvinite, Pb15Mg9(Si10O28)(BO3)4(CO3)2(OH)12O2, a new mineral species from Långban, Sweden. Geology of Ore Deposits, 50, 713-719 (2008) [English translation]

O. V. Yakubovich, W. Massa and N. V. Chukanov (2008):Crystal structure of britvinite [Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)]: A new layered silicate with an original type of silicon-oxygen networks: Kristallografiya, 53(2), 233–242. [English translation: Crystallography Reports 53, 206-215 (2008)]

U. Kolitsch, S. Merlino and D. Holtstam (2012): Molybdophyllite: crystal chemistry, crystal structure, OD character and modular relationships with britvinite. Mineral. Mag. 76, 493-516.


Internet Links for Britvinite

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    • Localities for Britvinite

    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.
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    (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.
    Namibia
     
    • Otjozondjupa Region
      • Grootfontein District
        • Kombat
    		Raman confirmed at University of Arizona.
    Sweden
     
    • Värmland
      • Filipstad
    		Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(6), 18-25.
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