登录注册
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe Elements书籍及杂志
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral Museums矿物展及活动The Mindat目录表设备设置
照片搜索Photo Galleries今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Mineral Photography

Thoreaulite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About ThoreauliteHide

08472700014947113834266.jpg
Jacques Thoreau (1885-1973)
Formula:
(Sn2+,Pb)(Ta,Nb)2O6
Colour:
Brown to yellow
Lustre:
Adamantine, Resinous
Hardness:
5½ - 6
Specific Gravity:
7.6 - 7.9
Crystal System:
Monoclinic
Member of:
Name:
Named in 1933 by Henri Buttgenbach in honor of Jacques Thoreau [September 27, 1886 Brussels, Belgium - January 11, 1973 Kessel-Lo, Belgium], Professor of Mineralogy, Université Catholique de Leuvain-UCL, Belgium.
Isostructural with:
Foordite-Thoreaulite Series.
Thoreaulite was first described by Buttgenbach (1933) from a pegmatite at the Manono Mine, Tanganyika, DR Congo.


Classification of ThoreauliteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1933
4.DG.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra
Dana 7th ed.:
8.3.10.1
8.3.10.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
18.1.21

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U

Physical Properties of ThoreauliteHide

Adamantine, Resinous
Colour:
Brown to yellow
Streak:
Yellow or greenish
Hardness:
5½ - 6 on Mohs scale
Cleavage:
Perfect
On {100}; on {011} imperfect.
Density:
7.6 - 7.9 g/cm3 (Measured)    

Optical Data of ThoreauliteHide

Type:
Biaxial (+)
RI values:
nα = 2.390 nβ = 2.420 nγ = 2.520
2V:
Measured: 25° to 35°, Calculated: 60°
Birefringence:
On {100} cleavages = 0.039.
Max Birefringence:
δ = 0.130
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v

Chemical Properties of ThoreauliteHide

Formula:
(Sn2+,Pb)(Ta,Nb)2O6
IMA Formula:
Sn2+Ta2O6
Idealised Formula:
Sn2+Ta2O6

Crystallography of ThoreauliteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 17.14 Å, b = 4.86 Å, c = 5.54 Å
β = 91°
Ratio:
a:b:c = 3.527 : 1 : 1.14
Unit Cell V:
461.41 ų (Calculated from Unit Cell)
Morphology:
Crystals rough, prismatic [001].
Twinning:
Lamellar twins, with composition face {010}.

Type Occurrence of ThoreauliteHide

Geological Setting of Type Material:
Pegmatite
Reference:
Buttgenbach, H. (1933) La thoreaulite, nouvelle espèce minérale. Annales de la Société Géologique de Belgique 56: 327-331

Synonyms of ThoreauliteHide

Other Language Names for ThoreauliteHide

Simplified Chinese:钽锡矿

Relationship of Thoreaulite to other SpeciesHide

Member of:
Other Members of this group:
FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Thoreaulite associated with Cesplumtantite(Cs,Na)2(Pb,Sb3+)3Ta8O24
1 photo of Thoreaulite associated with LithiotantiteLiTa3O8
1 photo of Thoreaulite associated with CassiteriteSnO2
1 photo of Thoreaulite associated with AlbiteNa(AlSi3O8)

Related Minerals - Nickel-Strunz GroupingHide

4.DG.05Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
4.DG.05Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12Iso.
4.DG.05Loranskite-(Y)(Y,Ce,Ca)ZrTaO6 (?)
4.DG.05Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
4.DG.05Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Uranopolycrase(U4+,Y)(Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.
4.DG.10Fergusonite-(Y)-βYNbO4Mon. 2/m
4.DG.10Fergusonite-(Nd)-β(Nd,Ce)NbO4
4.DG.10Fergusonite-(Ce)-βCeNbO4
4.DG.10Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4Orth.
4.DG.10Beta-Fergusonite-(Nd)(Nd,Ce)NbO4
4.DG.15FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
4.DG.20RaspitePb(WO4)Mon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

8.3.10.2FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.1.1LithiotantiteLiTa3O8Mon.
18.1.2LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
18.1.3NatroniobiteNaNbO3Mon.
18.1.4FranconiteNa(Nb2O5)(OH) · 3H2OMon.
18.1.5NatrotantiteNa2Ta4O11Mon.
18.1.6IrtyshiteNa2(Ta,Nb)4O11Hex.
18.1.7Rankamaite(Na,K)3(Ta,Nb,Al)11(O,OH)31Orth. mmm (2/m 2/m 2/m) : Cmmm
18.1.8Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.9CalciotantiteCaTa4O11Hex.
18.1.10RynersoniteCaTa2O6Orth. mmm (2/m 2/m 2/m)
18.1.11Microlite GroupA2-mTa2X6-wZ-nIso. m3m (4/m 3 2/m) : Fd3m
18.1.12BelyankiniteCa1-2(Ti,Nb)5O12 · 9H2O (?)Amor.
18.1.13LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
18.1.14Hochelagaite(Ca,Na,Sr)(Nb,Ti,Si,Al)4O11 · 8H2OMon.
18.1.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.16ParabariomicroliteBaTa4O10(OH)2 · 2H2OTrig.
18.1.17Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6ZIso. m3m (4/m 3 2/m) : Fd3m
18.1.18AlumotantiteAlTaO4Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.19SimpsoniteAl4(Ta,Nb)3O13(OH,F)Trig. 3 : P3
18.1.20Sosedkoite(K,Na)5Al2(Ta,Nb)22O60Orth.
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
18.1.24ChangbaiitePbNb2O6Trig.
18.1.25Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27StibiocolumbiteSb(Nb,Ta)O4Orth. mm2
18.1.28StibiotantaliteSb(Ta,Nb)O4Orth. mm2
18.1.29NatrobistantiteIso.
18.1.30Cesplumtantite(Cs,Na)2(Pb,Sb3+)3Ta8O24Tet.
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34BismutotantaliteBi(Ta,Nb)O4Orth.
18.1.35Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.36Tantalite-(Mn)Mn2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.37Gerasimovskite(Mn,Ca)(Nb,Ti)5O12 · 9H2OAmor.
18.1.38Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
18.1.39Columbite-(Mn)Mn2+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.40WodginiteMn2+Sn4+Ta2O8Mon.
18.1.41Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8Orth.
18.1.42Columbite-(Fe)Fe2+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.43Tantalite-(Fe)Fe2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.44ColumbiteOrth. mmm (2/m 2/m 2/m) : Pbcn
18.1.45Tantalite(Mn,Fe)(Ta,Nb)2O6
18.1.46Tapiolite(Fe,Mn)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m)
18.1.47Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
18.1.48Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
18.1.50Strüverite(Ti,Ta,Fe)O2
18.1.51 Staringite(Fe,Mn)x(Ta,Nb)2xSn6-3xO12

Other InformationHide

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 ThoreauliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Buttgenbach, H.(1933) La thoreaulite, nouvelle espéce minérale. Annales de la Société géologique de Belgique. 56: 327-328
American Mineralogist (1934): 19: 236.
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 802.
Melon, J. & Toussaint, J. (1950) La thoreaulite de Kubitaka (Punia, Maniema, Congo Belge) et la crystallographie de la thoreaulite. Annales de la Société géologique de Belgique. 74: B25-32
American Mineralogist (1970): 55: 367-377.
American Mineralogist (1974): 59: 1026-1039.
Canadian Mineralogist (1988): 26: 899-903. (structure {Foordite}).

Internet Links for ThoreauliteHide

Localities for ThoreauliteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Minas Gerais
    • Itinga
      • Monte Belo
[MinRec 12:74]; Daniel Atencio, Reynaldo R. Contreira Fo., Stuart J. Mills, Jose M.V. Coutinho, Sara B. Honorato, Alejandro P. Ayala, Javier Ellena, and Marcelo B. de Andrade (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: crystal chemistry and Rietveld refinement. Am. Mineral. 96, 1455–1460.
China
 
  • Heilongjiang
    • Hegang
      • Luobei County
Deshi Lu (1993): Geology and Prospecting 29(6), 8-12
DR Congo
 
  • Maniema
Henri Buttgenbach (1947) Les minéraux de Belgique et du Congo belge
Uher, P., Cerny, P., & Chapman, R. (2008). Foordite-thoreaulite, Sn2+ Nb2O6Sn2+ Ta2O6: compositional variations and alteration products. European Journal of Mineralogy, 20(4), 501-516.
  • South Kivu
Vik Vanrusselt photo & specimen (Ex Rik Dillen specimen)
  • Tanganyika
Buttgenbach, H.(1933): La thoreaulite, nouvelle espéce minérale. Annales de la Société géologique de Belgique. 56: 327-328; Dewaele, S., Hulsbosch, N., Cryns, Y., Boyce, A., Burgess, R., & Muchez, P. (2016). Geological setting and timing of the world-class Sn, Nb–Ta and Li mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo). Ore Geology Reviews, 72, 373-390.
Kazakhstan
 
  • East Kazakhstan
    • Kalba Range
      • Irtysh River
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Ulan
Voloshin, A.V., Pakomovskii, Ya.A., Stepanov, V.I., Tyusheva, F.N. (1983): Lithiotantite, Li,(Ta,Nb)3O8, a new mineral from granite pegmatites of Eastern Kazakhstan. Mineralogiceskij Zhurnal, 5(1), 91-95. Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Rwanda
 
  • Western Province
    • Kabaya District
Ann. Soc. Geol. Belgique, Vol. 73, No. 8, p. 213-218, 1950.
    • Ngororero District
      • Gatumba
Bertossa, A. (1968) Inventaire des minéraux du Rwanda. Bulletin du Service Géologique de Rwanda: 4: 25-45.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15.
 
矿物 and/or 产地  
版权所有© mindat.org1993年至2020年,除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 Current server date and time: 2020.4.1 10:26:10 Page generated: 2020.3.11 05:45:11
Go to top of page