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Rooseveltite

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Franklin Delano Roosevelt
Formula:
Bi(AsO4)
System:
Monoclinic
Colour:
White to pale gray, pale ...
Hardness:
4 - 4½
Member of:
Name:
For US Franklin Delano Roosevelt (1882-1945), 32nd President of the United States of America.
This page provides mineralogical data about Rooseveltite.

Classification of Rooseveltite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
8.AD.50

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
38.4.4.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
20.6.1

20 : Arsenates (also arsenates with phosphate, but without other anions)
6 : Arsenates of Bi
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Type Occurrence of Rooseveltite

Place of Conservation of Type Material:
Smithsonian, Harvard University
Year of Discovery:
1946
Geological Setting of Type Material:
Veinlets in rhyolitic and dacitic lava flows.
Associated Minerals at Type Locality:

Physical Properties of Rooseveltite

Adamantine
Diaphaneity (Transparency):
Transparent
Colour:
White to pale gray, pale green, yellow
Hardness (Mohs):
4 - 4½
Hardness (Vickers):
VHN25=513 kg/mm2
Tenacity:
Brittle
Fracture:
Irregular/Uneven, Conchoidal
Density:
6.86 - 7.01 g/cm3 (Measured)    7.21 g/cm3 (Calculated)

Crystallography of Rooseveltite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.879(1) Å, b = 7.159(1) Å, c = 6.732(1) Å
β = 104.83°
Ratio:
a:b:c = 0.961 : 1 : 0.94
Unit Cell Volume:
V 320.49 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Botryoidal crusts.
Comment:
On synthetic material

Optical Data of Rooseveltite

Type:
Biaxial (+)
RI values:
nα = 2.090 nβ = 2.150 nγ = 2.270
2V:
Measured: 50° , Calculated: 62°
Max Birefringence:
δ = 0.180
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Anisotropism:
Very high indices of refraction.
Dispersion:
extreme

Chemical Properties of Rooseveltite

Formula:
Bi(AsO4)
Essential elements:
All elements listed in formula:

Relationship of Rooseveltite to other Species

Member of:
Other Members of Group:
Cheralite(Ca,Ce)(Th,Ce)(PO4)2
Gasparite-(Ce)(Ce,REE)(AsO4)
Monazite
Monazite-(Ce)(Ce,La,Nd,Th)(PO4)
Monazite-(La)(La,Ce,Nd)(PO4)
Monazite-(Nd)(Nd,La,Ce)(PO4)
Monazite-(Sm)(Sm,Gd,Ce,Th)(PO4)
Turnerite
Unnamed (Gd-dominant monazite)((Gd,Y,Dy,Sm,Nd),Th,Ca)PO4
8.AD.05NahpoiteNa2HPO4
8.AD.10MonetiteCa(HPO4)
8.AD.10WeiliteCa(HAsO4)
8.AD.10ŠvenekiteCa(H2AsO4)2
8.AD.15Archerite(K,NH4)(H2PO4)
8.AD.15Biphosphammite(NH4,K)(H2PO4)
8.AD.20Phosphammite(NH4)2(HPO4)
8.AD.25BuchwalditeNaCa(PO4)
8.AD.30SchultenitePb(HAsO4)
8.AD.35Chernovite-(Y)Y(AsO4)
8.AD.35DreyeriteBi(VO4)
8.AD.35Wakefieldite-(Ce)Ce(VO4)
8.AD.35Wakefieldite-(Y)Y(VO4)
8.AD.35Xenotime-(Y)Y(PO4)
8.AD.35PretuliteSc(PO4)
8.AD.35Xenotime-(Yb)(Yb,Y,HREE)(PO4)
8.AD.35Wakefieldite-(La)La(VO4)
8.AD.40PucheriteBi(VO4)
8.AD.45XimengiteBi(PO4)
8.AD.50Gasparite-(Ce)(Ce,REE)(AsO4)
8.AD.50Monazite-(Ce)(Ce,La,Nd,Th)(PO4)
8.AD.50Monazite-(La)(La,Ce,Nd)(PO4)
8.AD.50Monazite-(Nd)(Nd,La,Ce)(PO4)
8.AD.50Cheralite(Ca,Ce)(Th,Ce)(PO4)2
8.AD.50Monazite-(Sm)(Sm,Gd,Ce,Th)(PO4)
8.AD.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)
8.AD.55TetrarooseveltiteBi(AsO4)
8.AD.60Chursinite(Hg2+)0.5Hg2+(AsO4)
8.AD.65ClinobisvaniteBi(VO4)
20.6.2PreisingeriteBi3(AsO4)2O(OH)
20.6.3Arsenobismite
20.6.4AtelestiteBi2(AsO4)O(OH)
20.6.5MixiteBiCu6(AsO4)3(OH)6 · 3H2O
20.6.6Walpurgite(BiO)4(UO2)(AsO4)2 · 3H2O

Other Names for Rooseveltite

Name in Other Languages:
Simplified Chinese:砷铋矿
砷铋石
Spanish:Rooseveltita
Traditional Chinese:砷鉍礦
砷鉍石

Other Information

Other Information:
Soluble in acids.
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 Rooseveltite

Reference List:
Herzenberg (1946) Facultad. Nac. de Ing., Univ. Téc. Oruro, Boliviqa, Bol. Téc., no. 1 (as Roosevelita).

American Mineralogist (1947): 32: 372.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 697.

Tschermaks Mineralogische und Petrographische Mitteilungen (1972): 17: 71.

Acta Crystallographica (1982): B38: 1559-1561.

Internet Links for Rooseveltite

Localities for Rooseveltite

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.
Argentina
 
  • San Juan
    • Calingasta Department
      • Calingasta
Lapis 8(4), 25 (1983)
American Mineralogist (1982) 67:833-840; Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
Australia
 
  • New South Wales
    • Gough Co.
      • Elsmore
Rankin, J., Lawrence, L. J., Sharpe, J. L. and Williams, P. A. (2002): Rare secondary bismuth, tungsten and molybdenum minerals from Elsmore, New England district of New South Wales. Austral. J. Mineral. 8, 55-60.; Rankin, J., Lawrence, L. J., Sharpe, J. L. and Williams, P. A. (2002): Rare secondary bismuth, tungsten and molybdenum minerals from Elsmore, New England district of New South Wales. Austral. J. Mineral. 8, 55-60.
Bolivia (TL)
 
  • Potosí Department
    • Chayanta Province
      • Macha area
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 697.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Horní Slavkov (Schlaggenwald)
        • Krásno (Schönfeld)
Sejkora, J., Ondruš, P., Fikar, M., Veselovský, F., Mach, Z., Gabašová, A., Skoda, R. & Beran, P. (2006): Supergene minerals at the Huber stock and Schnöd stock deposits, Krásno ore District, the Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 57-101.
      • Krušné Hory Mts (Erzgebirge)
Jan Hloušek
    • Plzeň Region
      • Klatovy (Klattau)
        • Vimperk
Šrein, V. et al.: Zlatonosná mineralizace v okolí Horské Kvildy na Šumavě, Česká republika. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2008, vol. 16, 2, 153-176.
    • Ústí Region
      • Krušné Hory Mts (Erzgebirge)
        • Dubí (Eichwald)
Sejkora, J.: Minerály ložiska Moldava v Krušných horách. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 110-116.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Calw
Walenta, K. (1992): "Die Mineralien des Schwarzwaldes", Weise (Munich).
      • Oberkirch
        • Ödsbach
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schenkenzell
        • Wittichen
          • Burgfelsen
No reference listed
          • Heubach Valley
No reference listed
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schramberg
        • Falkenstein valley
No reference listed
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
[Eur.J.Mineral. 13:167-175]
      • Schneeberg District
Lapis 30(7/8):67-68 (2005)
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
Solomos, C., Voudouris, P. & Katerinopoulos, A. (2004): Mineralogical studies of bismuth-gold-antimony mineralization at the area of Kamariza, Lavrion. Bulletin of the Geological Society of Greece 34, Proceedings of the 10th International Congress, Thessaloniki, Greece, 387-396 (in Greek with English abstract).
Iran
 
  • Lorestan Province
    • Ashour Abad
Nezafatis, N. (2006): Au-Sn-W-Cu Mineralization in the Astaneh-Sarband Area, West Central Iran. PhD thesis, University of Tübingen (Germany), 116 pp.
  • Markazi Province
    • Astaneh
Nezafatis, N. (2006): Au-Sn-W-Cu Mineralization in the Astaneh-Sarband Area, West Central Iran. PhD thesis, University of Tübingen (Germany), 116 pp.
Nezafatis, N. (2006): Au-Sn-W-Cu Mineralization in the Astaneh-Sarband Area, West Central Iran. PhD thesis, University of Tübingen (Germany), 116 pp.
Italy
 
  • Sardinia
    • Medio Campidano Province
      • Gonnosfanadiga
- Sabelli C. (2000): Rooseveltite e "agardite-(Ce)".Riv. Mineral. Ital., 1/2000, 40-43.
Portugal
 
  • Bragança District
    • Macedo de Cavaleiros
      • Murçós
Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
  • Viana do Castelo District
    • Ponte de Lima
      • Estorãos
Pedro Alves Collection. p-XRD and EMPA analysed.
Russia
 
  • Far-Eastern Region
    • Magadanskaya Oblast'
      • Verkhne-Kalganinsky Massif
Krinov D.I., Azarova Y.V., Struzhkov S.F., Natalenko M.V., Radchenko Y.I. (2011) On the Discovery of Rooseveltite, Preisingerite, Troegerite, and Zeunerite In Bi-As-Cu-U-mineralization from the Oranzhevoye Ore Field, Verkhne-Kalganinsky Massif, Magadan Region, Russia. New Data on Minerals 46:20-24
Spain
 
  • Andalusia
    • Córdoba
      • Villanueva de Córdoba
Schnorrer, G. (2000): Die Minerale der ehemaligen Grube Espuela de San Miguel bei Villanueva de Cordoba, Prov. Cordoba in Spanien. Der Aufschluss, 51, 211-222. (in German)
  • Galicia
    • Orense (Ourense)
      • Ramirás
Calvo, Miguel. Minerales y Minas de España, Vol III. Museo de Ciencias naturales de Álava. Pag. 614
UK
 
  • England
    • Cumbria
      • Caldbeck Fells
        • Carrock Fell
Rumsey, M.S. (2007): UK Journal of Mines & Minerals (28), 51-53
Mineral and/or Locality  
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