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Strüverite

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Big Photo

Etta Mine, Keystone, Keystone District, Pennington Co., South Dakota, USA
© Knut Eldjarn

Show Strüverite Photos (17)



Formula:
(Ti,Ta,Fe)O
 
2
Hardness:6 - 6½
Name:Named after Giovanni Strüver (1842-1915), Professor of Mineralogy, University of Rome, Rome, Italy.
A variety of Rutile

A Ta- and Fe-bearing variety of rutile.
Compare also ilmenorutile.

Classification of Strüverite

Dana 8th edition ID:4.4.1.3

4 : SIMPLE OXIDES
4 : AX2
Hey's CIM Ref.:18.1.50

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
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Physical Properties of Strüverite

Hardness (Mohs):6 - 6½

Optical Data of Strüverite

Type:Uniaxial (+)

Chemical Properties of Strüverite

Formula:
(Ti,Ta,Fe)O
 
2
Essential elements:O, Ti
All elements listed in formula:Fe, O, Ta, Ti

Relationship of Strüverite to other Species

Related Minerals - Hey's Index Grouping:

- +
18.1.1Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
18.1.2Lueshite
NaNbO
 
3
18.1.3Natroniobite
NaNbO
 
3
18.1.4Franconite
Na
 
2
Nb
 
4
O
 
11
 · 9H
 
2
O
18.1.5Natrotantite
Na
 
2
Ta
 
4
O
 
11
18.1.6Irtyshite
Na
 
2
(Ta,Nb)
 
4
O
 
11
18.1.7Rankamaite
(Na,K,Pb,Li)
 
3
(Ta,Nb,Al)
 
11
(O,OH)
 
30
18.1.8Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
18.1.9Calciotantite
CaTa
 
4
O
 
11
18.1.10Rynersonite
Ca(Ta,Nb)
 
2
O
 
6
18.1.11Microlite Group
18.1.12Belyankinite
Ca
 
1-2
(Ti,Nb)
 
5
O
 
12
 · 9H
 
2
O (?)
18.1.13Latrappite
(Ca,Na)(Nb,Ti,Fe)O
 
3
18.1.14Hochelagaite
(Ca,Na,Sr)(Nb,Ti,Si,Al)
 
4
O
 
11
 · 8H
 
2
O
18.1.15Bariomicrolite (of Hogarth 1977)
18.1.16Parabariomicrolite
BaTa
 
4
O
 
10
(OH)
 
2
 · 2H
 
2
O
18.1.17Bariopyrochlore (of Hogarth 1977)
18.1.18Alumotantite
AlTaO
 
4
18.1.19Simpsonite
Al
 
4
(Ta,Nb)
 
3
O
 
13
(OH,F)
18.1.20Sosedkoite
(K,Na)
 
5
Al
 
2
(Ta,Nb)
 
22
O
 
60
18.1.21Thoreaulite
SnTa
 
2
O
 
6
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23Foordite
(Sn,Pb)(Nb,Ta)
 
2
O
 
6
18.1.24Changbaiite
PbNb
 
2
O
 
6
18.1.25Plumbopyrochlore (of Skorobogatova et al)
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27Stibiocolumbite
Sb(Nb,Ta)O
 
4
18.1.28Stibiotantalite
Sb(Ta,Nb)O
 
4
18.1.29Natrobistantite
18.1.30Cesplumtantite
(Cs,Na)
 
2
(Pb,Sb
3+
 
)
 
3
Ta
 
8
O
 
24
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34Bismutotantalite
Bi(Ta,Nb)O
 
4
18.1.35Bismutomicrolite (of Hogarth 1977)
18.1.36Tantalite-(Mn)
MnTa
 
2
O
 
6
18.1.37Gerasimovskite
(Mn,Ca)(Nb,Ti)
 
5
O
 
12
 · 9H
 
2
O
18.1.38Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
18.1.39Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
18.1.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
18.1.41Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
18.1.42Columbite-(Fe)
FeNb
 
2
O
 
6
18.1.43Tantalite-(Fe)
FeTa
 
2
O
 
6
18.1.44Columbite
(Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.45Tantalite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.46Tapiolite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.47Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.48Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.51 Staringite
(Fe,Mn)
 
x
(Ta,Nb)
 
2x
Sn
 
6-3x
O
 
12

Other Names for Strüverite

Synonyms:
Strüverite (of Zambonini)
Other Languages:
German:Strüverit
Russian:Стрюверит
Simplified Chinese:钽金红石
Spanish:Strüverita

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 Strüverite

Reference List:

- +
Rend.Accad.Sci.fis.mat., Napoli (1907), ser.3, 13, 35

Internet Links for Strüverite

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    • Localities for Strüverite

    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.
    Hide Locality List
    (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.
    Australia
     
    • Western Australia
      • Greenbushes Tinfield
    		Econ Geol (1995) 90:616-635
    Brazil
     
    • Minas Gerais
      • Doce valley
        • Conselheiro Pena
    		Specimen in the collection of Richard Gaines [Rock Currier 2010]
    • Paraíba
      • Borborema mineral province
        • Frei Martinho
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
        • Junco do Seridó
          • Alto do Lira
    		Revista Brasileira de Geociências 21(1):34-40 (1991).
    Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
        • Nova Palmeira
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
    • Rio Grande do Norte
      • Borborema mineral province
        • Acari
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
    Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
    Canada
     
    • Ontario
      • Kenora District
        • Separation Rapids (Separation Lake area)
    		ontariominerals.com
      • Renfrew Co.
        • Lyndoch Township
          • Quadeville
    		ontariominerals.com
    China
     
    • Guangxi Zhuang Autonomous Region
      • Guilin Prefecture
        • Gongcheng Co.
          • Limu Ta-Sn ore field
    		Jinchu Zhu, Renke Li, Fuchun Li, Xiaolin Xiong, Fengying Zhou, and Xiaolong Huang (2001): Mineralium Deposita 36(5), 393-405.
    Jinchu Zhu, Renke Li, Fuchun Li, Xiaolin Xiong, Fengying Zhou, and Xiaolong Huang (2001): Mineralium Deposita 36(5), 393-405.
    Jinchu Zhu, Renke Li, Fuchun Li, Xiaolin Xiong, Fengying Zhou, and Xiaolong Huang (2001): Mineralium Deposita 36(5), 393-405.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • South Bohemia Region
        • Písek
    		A. Tomek photo
    Finland
     
    • Southern Finland Region
      • Tammela
    		H-J Wilke (1976) Mineralfundstellen, Band 4, Skandinavien
    France
     
    • Provence-Alpes-Côte d'Azur
      • Var
        • Le Pradet
    		[UKJMM 2:11-15 "Cap Gronne Secondary Copper and Lead - W.R. van den Berg"]
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Vigezzo Valley
            • Craveggia
    		Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974 and Vittorio Mattioli (1978) - Nota sulla titanite tantalifera e sulla struverite della pegmatite di Pian dei Lavonchi - Rivista Mineralogica Italiana, Milano, Vol.9, fasc. 1, pp.34-35
            • Druogno
              • Orcesco
    		Callegari A., Mattioli V., 2002. Val Vigezzo: novità mineralogiche. Riv. Miner. Ital., 2: 78-80.
    • Tuscany
      • Livorno Province
        • Elba Island
          • Campo nell'Elba
            • San Piero in Campo
    		P. Orlandi, P.B. Scortecci (1983) - Minerali delle pegmatiti elbane. Cinque nuove segnalazioni. - Riv. Min. It., VII, 4: 97-112
    Kazakhstan
     
    • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    		 World of Stones, 1995, Vol. 8, p. 24, A.A. Eseev, Kazakhstan and Middle East - A brief moneralogical guide.
      • Betpakdala Desert (Bet-Pak-Dal Desert)
    		Jeremolenko, V. (2002): Kara-Oba: Mineralogische Perle der Betpak-Ebene bei Dzhambul, Kasachstan. Lapis 27 (4), 13-34 + 50
    Madagascar
     
    • Antananarivo Province
      • Analamanga Region
        • Ankazobe Pegmatite Field
          • Anjozorobe District
    		Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris, p 232
      • Vakinankaratra Region
        • Antsirabé 2 District
          • Sahanivotry Manandona Commune
    		Moore, T. (2008): Whats New in Minerals. Dallas Show 2008. Mineralogical Record. 39, p 332
        • Betafo District
    		Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
          • Mahaiza Commune
    		Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 232
          • Tritriva Commune
    		Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse.
        • Faratsiho District
    		Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 225-226
    • Antsiranana Province
      • Sava (Northeastern) Region
        • Vohémar District
          • Andravory Pegmatite field
    		Pezzotta, F.(1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17, p.42 (German version)
    • Mahajanga (Majunga) Province
      • Betsiboka Region
        • Tsaratanàna District
          • Berere Pegmatite Field
    		Mücke, A. & Strunz, H. (1978): Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist 63: 941-946
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    		No reference listed
    Norway
     
    • Telemark
      • Drangedal
        • Tørdal
    		A.O. Larsen (1982, pers. com.); Neumann (1985, p. 73).
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
          • Krasnyi Chikoy
            • Malkhan pegmatite field (Malchan)
    		[MinRec 32:44]
    • Urals Region
      • Middle Urals
        • Ekaterinburgskaya (Sverdlovskaya) Oblast'
          • Yuzhakovo Village
            • Alabashka pegmatite field
    		http://webcenter.ru/~minbooks/murz_kaz.html
    Slovakia
     
    • Košice Region
      • Rožňava Co.
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
      • Spišská Nová Ves Co.
        • Hnilec
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • Northern Cape Province
      • Namaqualand
        • Kenhardt District
    		Minerals of South Africa
    UK
     
    • England
      • Cornwall
        • Mount's Bay District
          • Breage
    		No reference listed
    USA
     
    • Arkansas
      • Hot Spring Co.
        • Magnet Cove
    		Karl Estes (1998) Mineral News, 14, #5, 8-10.; Min News (1998) 14:4 pp 1,2,5
    • Colorado
      • Chaffee Co.
    		Minerals of Colorado (1997) E.B. Eckels
      • Eagle Co.
        • Fulford District
    		Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Quartz Creek Pegmatite District
    		Minerals of Colorado (1997) Eckels, E. B.
      • Lake Co.
        • Climax District
          • Climax
    		Minerals of Colorado (1997) E.B. Eckels
    • Connecticut
      • Hartford Co.
        • Glastonbury
    		Rocks&Min 74:110-121
      • Middlesex Co.
        • East Hampton
    		Rocks & Min.: 64:471.
    • South Dakota
      • Pennington Co.
        • Keystone District
          • Glendale
    		R&M 75:3 pp 156-169
          • Keystone
    		Rocks & Minerals: 57: 160 &/or 60: 110 & 112.
    Am Min 70:9-10 pp 1044-1049
    • Wisconsin
      • Marathon Co.
        • Nine Mile pluton
    		T.W. Buchholz, A.U. Falster, Wm.B. Simmons (2000) Mineral News, 16, #5.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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