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Nováčekite

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About NováčekiteHide

08695480014947503032411.jpg
Radim Nováček
Note: the use of the name nováčekite is inconsistent in the literature. There are two differently hydrated species (Walenta, 1964), one with 12 water molecules (nováčekite = nováčekite-I), the other with 10 water molecules (nováčekite-II). A further, still less hydrated species is metanováčekite.

Both nováčekite-I and nováčekite-II are grandfathered species.
Their crystal structures have been solved by Locock et al. (2004); nováčekite-I is triclinic (P-1), with a 7.1594(5) Å, b 7.1610(5) Å, c 11.3146(7) Å, α 81.391(2)°, β 81.177(1)°, γ 88.884(1)°, while nováčekite-II is monoclinic (P21/n), with a 7.1328(11) Å, b 20.085(3) Å, c 7.1569(11) Å, β 90.585(3)°.

Nováčekite-I is very unstable under ambient conditions and quickly dehydrates to nováčekite-II, in part also to metanováčekite.
"Nováčekite" specimens in collections mostly seem to be either nováčekite-II or metanováčekite.


Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Nováčekite associated with SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
1 photo of Nováčekite associated with MagnesiteMgCO3

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 NováčekiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Walenta, K. & Wimmenauer, W. (1961): Der Mineralbestand des Michaelganges im Weiler bei Lahr (Schwarzwald). Jh. Geol. Landesamt Baden-Württemberg, 4, 7-37.

Internet Links for NováčekiteHide

Localities for NováčekiteHide

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
 
  • Bahia
    • Brumado (Bom Jesus dos Meiras)
      • Serra das Éguas
Van King
Czech Republic
 
  • Karlovy Vary Region
    • Sokolov District
      • Horní Slavkov
Sejkora, J. & Plasil, J. (2009): Mineralien aus dem Uranrevier Horni Slavkov. Lapis 34 (7-8), 63-67; 70 (in German).
  • Ústí nad Labem Region
    • Klášterec nad Ohří
      • Měděnec (Kupferberg)
- Hyrsl, J. & Korbel, P. (2009): Tschechien & Slowakei, Mineralien und Fundstellen. Page 60-75.
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Savoie
      • Vallorcine
Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
  • Occitanie
    • Hérault
      • Le Puech
Bariand, P., Bachet, B., Brassy, C., Medenbach, O., Deliens, M., Vautier, R., & Piret, P. (1993) A New Uranium Mineral from the Talmessi Mine, Iran, and Rabejac, France. Mineralogical Record: 24: 463-467; Dal Bo, F., Hatert, F., & Philippo, S. (2018). Supergene Uranyl Mineralization of the Rabejac Deposit, Lodève, France. Minerals, 8(9), 414.
Mexico
 
  • Chihuahua
    • Aldama Municipality
      • Sierra Gomez
Peter Megaw
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Amerzgane
Favreau, G., Dietrich, J. E., Meisser, N., Brugger, J., Ait Haddouch, L. & Maacha, L. (2007): Bou Azzer, Morocco. Mineralogical Record 38, 345-407
    • Zagora Province
      • Tamdrost
Favreau, G., Dietrich, J. E., Meisser, N., Brugger, J., Ait Haddouch, L. & Maacha, L. (2007): Bou Azzer, Morocco. Mineralogical Record 38, 345-407
Romania
 
  • Suceava
    • Suceava district
Hîrtopanu P., Udubaşa G., Scott P., Hârtopanu I. (2004) Uranium sulphide mineralisation in the Bistriţa Mts., East Carpathians, Romania. Romanian Journal of Mineral Deposits 81:108-111
Russia
 
  • Adygea
Pekov I.V. et al. (2010) Mineralogy of Belorechenskoe deposit (Northern Caucasus, Russia). Mineralogical Almanakh, 15(2).
Switzerland
 
  • Valais
    • Anniviers
      • Saint-Luc
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
UK
 
  • Scotland
    • Dumfries and Galloway
Livingstone, A. (1993). Glossary of Scottish mineral species—an update. Scottish Journal of Geology, 29(1), 87-101.
USA
 
  • Texas
    • Oldham Co.
Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 p 537
 
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