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Nováčekite

Big Photo

Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil
© Joseph A. Freilich

Show Nováčekite Photos (9)
Formula:
Mg(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·12H
 
2
O
System:TriclinicColour:Light yellow
Hardness:2½
This page provides mineralogical data about Nováčekite.

Classification of Nováčekite

IMA status:Approved
Strunz 8th edition ID:7/E.01-40
Nickel-Strunz 10th (pending) edition ID:8.EB.05

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
Dana 8th edition ID:40.2a.10.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
Hey's CIM Ref.:20.7.7

20 : Arsenates (also arsenates with phosphate, but without other anions)
7 : Arsenates of U
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Type Occurrence of Nováčekite

Type Locality:Walpurgis Flacher vein, Weißer Hirsch Mine (Shaft 3), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Physical Properties of Nováčekite

Lustre:Vitreous
Colour:Light yellow
Streak:White, yellow
Hardness (Mohs):2½

Crystallography of Nováčekite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.1594Å, b = 7.161Å, c = 11.3146Å
α = 81.391°, β = 81.177°, γ = 88.884°
Ratio:a:b:c = 1 : 1 : 1.58
Unit Cell Volume:V 566.76 ų (Calculated from Unit Cell)
Comment:Pseudo-tetragonal (pseudo-space group P42/n, a = 7.18-7.20 A, c = 20.16-20.22 A), Z = 2

Optical Data of Nováčekite

Type:Uniaxial (-)
RI values: nω = 1.620 - 1.641 nε = 1.620 - 1.625
Maximum Birefringence:δ = 0.000 - 0.016

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Comments:Symmetry requires pseudo-uniaxial optical character.

Chemical Properties of Nováčekite

Formula:
Mg(UO
 
2
)
 
2
(AsO
 
4
)
 
2
·12H
 
2
O
Essential elements:As, H, Mg, O, U
All elements listed in formula:As, H, Mg, O, U

Relationship of Nováčekite to other Species

Related to:
  • Autunite Group
    • Related Minerals - Nickel-Strunz Grouping):
    8.EB.05Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    8.EB.05Heinrichite
    Ba(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·10H
     
    2
    		O
    8.EB.05Kahlerite
    Fe(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    8.EB.05Saléeite
    Mg(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·10H
     
    2
    		O
    8.EB.05Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    8.EB.05Uranocircite
    Ba(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 10H
     
    2
    		O
    8.EB.05Uranospinite
    Ca(UO
     
    2
    		)(AsO
     
    4
    		)
     
    2
    		·10H
     
    2
    		O
    8.EB.05Xiangjiangite
    (Fe
    3+
     
    		,Al)(UO
     
    2
    		)
     
    4
    		[OH|(SO
     
    4
    		)
     
    2
    		|(PO
     
    4
    		)
     
    2
    		] · 22H
     
    2
    		O
    8.EB.05Zeunerite
    Cu(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    8.EB.10Bassetite
    Fe
    2+
     
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Lehnerite
    Mn
    2+
     
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Meta-autunite
    Ca(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		· 6-8H
     
    2
    		O
    8.EB.10Metasaléeite
    Mg(UO
     
    2
    		)(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    8.EB.10Metauranocircite
    Ba(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 7H
     
    2
    		O
    8.EB.10Metauranospinite
    Ca(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Metaheinrichite
    Ba(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Metakahlerite
    Fe
    2+
     
    		(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Metakirchheimerite
    Co(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Metanováčekite
    Mg(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 4-8H
     
    2
    		O
    8.EB.10Metatorbernite
    Cu(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Metazeunerite
    Cu(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    8.EB.10Przhevalskite
    Pb
     
    2
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
    8.EB.10Meta-lodèvite
    8.EB.15Abernathyite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    8.EB.15Chernikovite
    (H
     
    3
    		O)
     
    2
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    8.EB.15Meta-ankoleite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    8.EB.15Natrouranospinite
    (Na
     
    2
    		,Ca)(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    8.EB.15Trögerite
    (UO
     
    2
    		)
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O (?)
    8.EB.15Uramphite
    (NH
     
    4
    		)
     
    2
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    8.EB.15Uramarsite
    (NH
     
    4
    		,H
     
    3
    		O)
     
    2
    		(UO
     
    2
    		)
     
    2
    		[(AsO
     
    4
    		,PO
     
    4
    		)]
     
    2
    		 · 6H
     
    2
    		O
    8.EB.20Threadgoldite
    Al(UO
     
    2
    		)
     
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 8H
     
    2
    		O
    8.EB.20Chistyakovaite
    Al(UO
     
    2
    		)
     
    2
    		[(F,OH)|(AsO
     
    4
    		)
     
    2
    		] · 6.5H
     
    2
    		O
    8.EB.25Arsenuranospathite
    HAl(UO
     
    2
    		)
     
    4
    		(AsO
     
    4
    		)
     
    4
    		·40H
     
    2
    		O
    8.EB.25Sabugalite
    HAl(UO
     
    2
    		)
     
    4
    		(PO
     
    4
    		)
     
    4
    		·16H
     
    2
    		O
    8.EB.25Uranospathite
    HAl(UO
     
    2
    		)
     
    4
    		(PO
     
    4
    		)
     
    4
    		·40H
     
    2
    		O
    8.EB.30Vochtenite
    (Fe
    2+
     
    		,Mg)Fe
    3+
     
    		(UO
     
    2
    		)
     
    4
    		[OH|(PO
     
    4
    		)
     
    4
    		] · 12-13H
     
    2
    		O
    8.EB.35Coconinoite
    Fe
    3+
    2
    		Al
     
    2
    		(UO
     
    2
    		)
     
    2
    		[(OH)
     
    2
    		|SO
     
    4
    		|(PO
     
    4
    		)
     
    4
    		] · 20H
     
    2
    		O
    8.EB.40Ranunculite
    HAlUO
     
    2
    		PO
     
    4
    		(OH)
     
    3
    		·4H
     
    2
    		O
    8.EB.45Triangulite
    Al
     
    3
    		(UO
     
    2
    		)
     
    4
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    5
    		·5H
     
    2
    		O
    8.EB.50Furongite
    Al
     
    13
    		(UO
     
    2
    		)
     
    7
    		(PO
     
    4
    		)
     
    13
    		(OH)
     
    14
    		 · 58H
     
    2
    		O
    Related Minerals - Hey's Index Grouping:
    20.7.1Trögerite
    (UO
     
    2
    		)
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O (?)
    20.7.2Natrouranospinite
    (Na
     
    2
    		,Ca)(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    20.7.3Abernathyite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    20.7.4Metazeunerite
    Cu(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    20.7.5Zeunerite
    Cu(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    20.7.6Metanováčekite
    Mg(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 4-8H
     
    2
    		O
    20.7.8Arsenuranylite
    Ca(UO
     
    2
    		)
     
    4
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    20.7.9Metauranospinite
    Ca(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    20.7.10Uranospinite
    Ca(UO
     
    2
    		)(AsO
     
    4
    		)
     
    2
    		·10H
     
    2
    		O
    20.7.11Metaheinrichite
    Ba(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    20.7.12Heinrichite
    Ba(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·10H
     
    2
    		O
    20.7.13Metalodèvite
    Zn(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 10H
     
    2
    		O
    20.7.14Arsenuranospathite
    HAl(UO
     
    2
    		)
     
    4
    		(AsO
     
    4
    		)
     
    4
    		·40H
     
    2
    		O
    20.7.15Hallimondite
    Pb
     
    2
    		(UO
     
    2
    		)[AsO
     
    4
    		]
     
    2
    		 · nH
     
    2
    		O, 0 ≤ n ≤ 0.5
    20.7.16Hügelite
    Pb
     
    2
    		(UO
     
    2
    		)
     
    3
    		[O|AsO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    20.7.17Asselbornite
    Pb(UO
     
    2
    		)
     
    4
    		(BiO)
     
    3
    		(AsO
     
    4
    		)
     
    2
    		(OH)
     
    7
    		·4H
     
    2
    		O
    20.7.18Metakahlerite
    Fe
    2+
     
    		(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    20.7.19Kahlerite
    Fe(UO
     
    2
    		)
     
    2
    		(AsO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    20.7.20Metakirchheimerite
    Co(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O

    Other Names for Nováčekite

    German names:
    NováčekitNovacikit
    Spanish names:
    Nováčekita

    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 Nováčekite

    Reference List:American Mineralogist (1951): 36: 680-686.

    Walenta, K. (1964): Rare arsenate minerals with special consideration of occurrences in the Black Forest. Mineral. Petrog. Mitt. 9, 111-174. (in German).

    Mineralogical Magazine (1994): 58: 513.

    Locock, A. J., Burns, P. C. & Flynn, T. M. (2004): Divalent transition metals and magnesium in structures that contain the autunite-type sheet. Canadian Mineralogist 42, 1699-1718.

    Internet Links for Nováčekite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Nováčekite in the Natural History Museum (London) online catalogue
  • Nováčekite details from Handbook of Mineralogy (PDF)
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    Localities for Nováčekite

    Hide Locality List
    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.
    Austria
     
    • Salzburg
      • Hohe Tauern Mts
        • Rauris valley
          • Hüttwinkl valley
    		A. Strasser: Die Minerale Salzburgs (1989)
    A. Strasser: Die Minerale Salzburgs (1989)
    A. Strasser: Die Minerale Salzburgs (1989)
          • Seidlwinkl valley
    		A. Strasser: Die Minerale Salzburgs (1989)
    Brazil
     
    • Northeast Region
      • Bahia
        • Brumado (Bom Jesus dos Meiras)
    		No reference listed
    Cassedanne, J.P. & Cassedanne, J.O. (1978): Famous mineral localities: The Brumado district, Bahia , Brazil. Mineralogical Record 9 : 196-205
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Lapis 2002(7/8), 63-65
    Rojík, P. (2006): J. Czech Geol. Soc. 50 (3-4), 157-165.
    Rojík, P. (2006): J. Czech Geol. Soc. 50 (3-4), 157-165.
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
          • Klášterec nad Ohří
    		No reference listed
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Javorník
    		Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
    France
     
    • Burgundy
      • Saône-et-Loire
        • Grury
    		Vajdak, Josef (2006) Mineral News: 22: 11.
    • Languedoc-Roussillon
      • Hérault
        • Lodève
    		Le Règne Minéral, Hors Série IV (1998)
    [Le Cahier des Micromonteurs, 1998, 2, p.13-26]
    [Le Règne Minéral 1997, 13, p.5-18]
    Le Règne Minéral, Hors Série IV (1998)
    • Rhône-Alpes
      • Savoie
        • Vanoise
    		Le Règne Minéral, Hors Série IV, 1998
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Baden-Baden
    		No reference listed
        • Lahr
          • Reichenbach
            • Weiler
    		Wittern: "Mineralfundorte in Deutschland", 2001
        • Menzenschwand
    		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
        • Schiltach
          • Stammelbach valley
    		[Lapis 1992, 11, p.13-20]
        • Schramberg
          • Falkenstein valley
    		No reference listed
        • St Ulrich
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); Gröbner, J., Kolitsch, U. und Bayerl, R. (2005): Interessante Uranmineralien im Stinkspat der Grube Clara. Lapis 30 (10), 34-39; 90; Gröbner, J., Bayerl, R. und Kolitsch, U. (2006): Weitere Beobachtungen zu den Uran- und Vanadium-Paragenesen der Grube Clara aus den Jahren 2002, 2004 und 2005. Erzgräber 20, 1-10
    • North Rhine-Westphalia
      • Siegerland
        • Müsen
    		Der Aufschluss 2000(2), 71-123
    • Rhineland-Palatinate
      • Hunsrück Mts
        • Birkenfeld
          • Ellweiler
    		Aufschluss 69/(7+8), Lapis 79/(7+8)
      • Rockenhausen
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Saxony
      • Erzgebirge
        • Ehrenfriedersdorf
          • Geyer
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Gröbner, J., Grimm, O. & Zienau, H. (2005): Neufunde interessanter Wismut- und Uranmineralien am Schaarschacht, Johanngeorgenstadt, Sachsen. Lapis 30 (6), 44-51; 62.
        • Schneeberg District
          • Neustädtel
            • Weißer Hirsch Mine (Shaft 3)
    		Amer.Min.(1951) 36, 680-686
        • Schwarzenberg District
    		J. Gröbner und U. Kolitsch (2006): Neufunde aus dem Erzgebirge (II). Mineralien-Welt 17 (3), 22-27.
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Italy
     
    • Trentino-Alto Adige
      • Trento Province
        • Daone
          • Limes
    		Campostrini, I., Demartin, F., Gramaccioli, C.M. (2005): Val Daone. Minerali secondari del giacimento uranifero presso Limes, Daone (TN). Rivista Mineralogica Italiana, 4/2005, 228-240.
    Mexico
     
    • Chihuahua
      • Mun. de Aldama
        • Puerto del Aire
    		Panczner (1987): 284.
      • Mun. de Aquiles Serdán
        • Santa Eulalia District
          • West Camp
            • Francisco Portillo
    		Panczner(1987):220 & 284.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Bou Azzer
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Tamdrost
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    South Africa
     
    • Western Cape Province
    		Minerals of South Africa
    Switzerland
     
    • Wallis (Valais)
      • Le Trient Valley
        • Les Marécottes
    UK
     
    • England
      • Cornwall
        • St Just District
          • Botallack - Pendeen Area
            • Truthwall
    		No reference listed
    USA
     
    • Nevada
      • Mineral Co.
        • Fitting District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Mexico
      • Cibola Co.
    		Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
      • McKinley Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    No reference listed
    • Oklahoma
      • Comanche Co.
    		R&M 72:4 pp 252-264
    R&M 72:4 pp 252-264
    • Utah
      • San Juan Co.
        • Paradox Valley
          • Paradox Valley District
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Uzbekistan
     
    • Namangan Viloyati
      • Chatkal-Kuraminskii Range
        • Pap
    Mineral and/or Locality
    Google
     
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