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Burtite

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Donald L. Burt
Formula:
Ca[Sn(OH)6]
System:
Isometric
Colour:
colorless, pale yellow
Hardness:
3
Name:
Named after Dr. Donald McLain Burt (1943– ), Professor of Mineralogy, Arizona State University, Tempe, Arizona, USA, authority on mineral equilibria in skarn and greisen deposits, who had predicted the natural occurrence of the compound.

Classification of Burtite

Approved
Approval Year:
1980
4.FC.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H2O; corner-sharing octahedra
6.3.6.5

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
7.11.5

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb

Physical Properties of Burtite

Colour:
colorless, pale yellow
Hardness (Mohs):
3

Optical Data of Burtite

Type:
Isotropic (+/-)
RI values:
nα = 1.630 nβ = 1.633
Max Birefringence:
δ = 1.630 - Isotropic minerals have no birefringence
Surface Relief:
Moderate

Chemical Properties of Burtite

Formula:
Ca[Sn(OH)6]
IMA Formula:
CaSn4+(OH)6
Elements listed in formula:

Crystallography of Burtite

Crystal System:
Isometric
Cell Parameters:
a = 8.12 Å
Unit Cell Volume:
V 535.39 ų (Calculated from Unit Cell)

Type Occurrence of Burtite

Associated Minerals at Type Locality:

Relationship of Burtite to other Species

Other Members of Group:
JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)
Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
NataniteFe2+[Sn(OH)6]
SchoenfliesiteMg[Sn(OH)6]
VismirnoviteZn[Sn(OH)6]
WickmaniteMn2+[Sn(OH)6]
4.FC.05BernaliteFe(OH)3 · nH2O (n = 0.0 to 0.25)
4.FC.05DzhalinditeIn(OH)3
4.FC.05SöhngeiteGa(OH)3
4.FC.10Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
4.FC.10NataniteFe2+[Sn(OH)6]
4.FC.10SchoenfliesiteMg[Sn(OH)6]
4.FC.10VismirnoviteZn[Sn(OH)6]
4.FC.10WickmaniteMn2+[Sn(OH)6]
4.FC.15JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)
4.FC.15MopungiteNa[Sb5+(OH)6]
4.FC.15StottiteFe2+[Ge4+(OH)6]
4.FC.15TetrawickmaniteMn2+[Sn4+(OH)6]
4.FC.20Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
4.FC.20Magnesionigerite-6N6S(Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH)
4.FC.20Magnesionigerite-2N1S(Mg,Al,Zn)2(Al,Sn)6O11(OH)
4.FC.20Ferronigerite-6N6S(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)
4.FC.20Zinconigerite-2N1S(Zn,Al,Mg)2(Al,Sn)6O11(OH)
4.FC.20Zinconigerite-6N6S(Zn,Mg,Al)3(Al,Sn,Fe)8O15(OH)
4.FC.25Magnesiotaaffeite-6N’3SMg2BeAl6O12
4.FC.25Magnesiotaaffeite-2N’2SMg3Al8BeO16
7.11.1RomarchiteSnO
7.11.2CassiteriteSnO2
7.11.4SchoenfliesiteMg[Sn(OH)6]
7.11.6VismirnoviteZn[Sn(OH)6]
7.11.7WickmaniteMn2+[Sn(OH)6]
7.11.8TetrawickmaniteMn2+[Sn4+(OH)6]
7.11.9JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx (1 ≥ x > 0.5)
7.11.10NataniteFe2+[Sn(OH)6]
7.11.11Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]
7.11.12Ferronigerite-2N1S(Al,Fe,Zn)2(Al,Sn)6O11(OH)
7.11.13Magnesionigerite
7.11.14ArgutiteGeO2
7.11.15BrunogeieriteFe22+Ge4+O4
7.11.16StottiteFe2+[Ge4+(OH)6]
7.11.17CarboiriteFeAl2(GeO4)O(OH)2
7.11.18OtjisumeitePbGe4O9
7.11.19BartelkeitePb(Fe2+Ge)[Ge2O7](OH)2 · H2O
7.11.20MassicotPbO
7.11.21LithargePbO
7.11.22MiniumPb3O4
7.11.23PlattneritePbO2
7.11.24Scrutinyiteα-PbO2
7.11.25MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5
7.11.26MacedonitePbTiO3
7.11.27CesàrolitePb(Mn4+)3O6(OH)2
7.11.28CoronaditePb(Mn64+Mn23+)O16
7.11.29QuenselitePbMnO2(OH)
7.11.30PlumboferritePb2(Fe3+,Mn2+,Mg)11O19
7.11.31Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19
7.11.32SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38

Other Names for Burtite

Name in Other Languages:
German:Burtit
Russian:Буртит
Simplified Chinese:羟锡钙石
Spanish:Burtita

Other Information

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

References for Burtite

Reference List:
Cohen-Addad, C. (1967) Étude des hydroxystannates CaSn(OH)6 et ZnSn(OH)6par diffraction des rayons X et résonance magnétique nucléaire. Bulletin de la Société Française de Minéralogie et de Cristallographie: 90: 32-35.

Cohen-Addad, C. (1968) Étude structurale des hydroxystannates CaSn(OH)6 et ZnSn(OH)6 par diffraction neutronique, absorption infrarouge et résonance magnétique nucléaire. Bulletin de la Société Française de Minéralogie et de Cristallographie: 91: 315-324.

Sonnet, P.M. (1981) Burtite, calcium hexahydroxostannate, a new mineral from El Hamman, central Morocco. The Canadian Mineralogist: 19: 397-401.

Fleischer, M., Chao, G.Y., Mandarino, J.A. (1982) New mineral names. American Mineralogist: 67: 854.

Basciano, L.C., Peterson, R.C., Roeder, P.L., Swainson, I. (1998) Description of schoenfliesite, MgSn(OH)6, and roxbyite, Cu1.72S, from a 1375 BC shipwreck, and Rietveld neutron-diffraction refinement of synthetic schoenfliesite, wickmanite, MnSn(OH)6, and burtite, CaSn(OH)6. The Canadian Mineralogist: 36: 1203-1210.

Welch, M.D., Crichton, W.A. (2002) Compressibility to 7 GPa at 298 K of the protonated octahedral framework mineral burtite, CaSn(OH)6. Mineralogical Magazine: 66: 431-440.

Internet Links for Burtite

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Localities for Burtite

This 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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Morocco (TL)
 
  • Fès-Meknès Region
    • Meknès Prefecture
      • Meknès
        • El Hammam (El Hamman)
Ph. M. Sonnet : "Burtite, Calcium Hexahydrostannate, a New Mineral from El Hamman, Central Morocco", Canadian Mineralogist, Vol. 19, 1981, pp. 397-401.
Econ Geol (1989) 84:575-590
Russia
 
  • Far-Eastern Region
    • Primorskiy Kray
      • Kavalerovo Mining District
        • Karadubsky ore field
N.V., Gorelikova analytical data
Mineral and/or Locality  
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