Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Metaschoepite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
UO3 · 1-2H2O
System:
Orthorhombic
Member of:
Name:
Named by Charles L. Christ and Joan R. Clark in 1960 for the dehydrated relationship of the mineral to schoepite.
May occur as a dehydration product of schoepite, and may itself dehydrate to paulscherrerite.

Classification of Metaschoepite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.GA.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
A : Without additional cations
5.2.1.1

5 : OXIDES CONTAINING URANIUM OR THORIUM
2 : AXO3·xH2O
7.16.4

7 : Oxides and Hydroxides
16 : Oxides of U
mindat.org URL:
http://www.mindat.org/min-2684.html
Please feel free to link to this page.

Type Occurrence of Metaschoepite

Year of Discovery:
1960

Crystallography of Metaschoepite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbcn
Cell Parameters:
a = 13.98Å, b = 16.7Å, c = 14.67Å
Ratio:
a:b:c = 0.837 : 1 : 0.878
Unit Cell Volume:
V 3,424.95 ų (Calculated from Unit Cell)

Chemical Properties of Metaschoepite

Formula:
UO3 · 1-2H2O
Essential elements:
All elements listed in formula:

Relationship of Metaschoepite to other Species

Member of:
Other Members of Group:
PaulscherreriteUO2(OH)2
Schoepite(UO2)8O2(OH)12 · 12H2O
4.GA.05ParaschoepiteUO3 · 2H2O
4.GA.05Schoepite(UO2)8O2(OH)12 · 12H2O
4.GA.05PaulscherreriteUO2(OH)2
4.GA.10IanthiniteU4+(UO2)5O7 · 10H2O
4.GA.15MetastudtiteUO4 · 2H2O
4.GA.15Studtite[(UO2)(O2)(H2O)2] · H2O
7.16.1UraniniteUO2
7.16.2Schoepite(UO2)8O2(OH)12 · 12H2O
7.16.3ParaschoepiteUO3 · 2H2O
7.16.5MetastudtiteUO4 · 2H2O
7.16.6Studtite[(UO2)(O2)(H2O)2] · H2O
7.16.7IanthiniteU4+(UO2)5O7 · 10H2O
7.16.8CompreignaciteK2(UO2)6O4(OH)6 · 7H2O
7.16.9VandenbrandeiteCu(UO2)(OH)4
7.16.10RoubaultiteCu2(UO2)3(OH)10 · 5H2O
7.16.11BecquereliteCa(UO2)6O4(OH)6 · 8H2O
7.16.12RameauiteK2Ca(UO2)6(OH)16 · H2O
7.16.13AgrinieriteK2(Ca,Sr)(UO2)3O3(OH)2·5H2O
7.16.14ProtasiteBa(UO2)3O3(OH)2 · 3H2O
7.16.15BillietiteBa(UO2)6O4(OH)6 · 4-8H2O
7.16.16BauranoiteBa(UO2)2(OH)6 · 1-2H2O
7.16.17Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
7.16.18Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
7.16.19OrthobranneriteU4+U6+Ti4O12(OH)2
7.16.20Thorutite(Th,U,Ca)Ti2(O,OH)6
7.16.21Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
7.16.22Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38
7.16.23Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
7.16.24FourmarieritePb(UO2)4O3(OH)4 · 4H2O
7.16.25RichetitePb(UO2)4O5 · 4H2O
7.16.26CuritePb3(UO2)8O8(OH)6 · 3H2O
7.16.27MasuyitePb(UO2)3O3(OH)2 · 3H2O
7.16.28VandendriesscheitePbU7O22 · 12H2O
7.16.29MetavandendriesscheitePbU7O22 · nH2O n < 12
7.16.30SayritePb2(UO2)5O6(OH)2 · 4H2O
7.16.31Wölsendorfite(Pb,Ca)U2O7 · 2H2O
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
7.16.33UranosphaeriteBi(UO2)O2(OH)

Other Names for Metaschoepite

Name in Other Languages:

Other Information

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 Metaschoepite

Reference List:
CHRIST, C. L. & CLARK, J. R. (1960): Crystal chemical studies of some uranyl oxide hydrates. Am. Mineral. 45, 1026-1061.

CHRIST, C. L. (1965): Phase transformation and crystal chemistry of schoepite. Am. Mineral. 50, 235-239.

Finch, R. J., Hawthorne, F. C., Miller, M. L. & Ewing, R. C. (1997): Distinguishing among schoepite, [(UO2)8O2(OH)12](H2O)12, and related minerals by X-ray powder diffraction. Powder Diffraction 12, 230-238.

Finch, R.J. and F.C. Hawthorne (1998), Structural relations among schoepite, metaschoepite and "dehydrated schoepite." Canadian Mineralogist: 36: 831-845.

Sowder, A. G.; Clark, S. B.; Fjeld, R. A. (1999): The transformation of uranyl oxide hydrates: The effect of dehydration on synthetic metaschoepite and its alteration to becquerelite. Environ. Sci. Technol. 33, 3552-3557.

Weller, M.T., Light, M.E., and Gelbrich, T. (2000) Structure of uranium(VI) oxide hydrate, UO3·2H2O; synthetic meta-schoepite (UO2)4O(OH)6·5H2O. Acta Crystallographica: B56: 577-583.

Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.

Kubatko, Karrie-Ann, Katheryn Helean, Alexandra Navrotsky, and Peter C. Burns (2006), Thermodynamics of uranyl minerals: Enthalpies of formation of uranyl oxide hydrates: American Mineralogist: 91: 658-666.

Klingensmith, Amanda L.; Deely, Kathryn M.; Kinman, William S.; Kelly, Virginia; Burns, Peter C. (2007): Neptunium incorporation in sodium-substituted metaschoepite. American Mineralogist 92, 662-669.

Internet Links for Metaschoepite

Localities for Metaschoepite

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.
Australia
 
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Arkaroola Region (Arkaroola Station)
          • Mt Painter area
2003, Brugger, J., Ansermet, S. & Pring, A. ' Uranium minerals from Mt Painter, Northern Flinders ranges, South Australia' Australian Journal of Mineralogy, vol. 9, n°1, pp 15-31
Canada
 
  • Ontario
    • Haliburton Co.
      • Cardiff Township
Reiner Mielke and Travis Olds
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
          • Jáchymov (St Joachimsthal)
Lapis 2002(7/8), 59
Democratic Republic of Congo (Zaïre) (TL)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Shinkolobwe
Am Min 50 (1965), 235
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
KOLITSCH, U. (1997): Ianthinit und weitere Neufunde aus der Grube Clara im mittleren Schwarzwald. - Erzgräber 11 (2), 76-88.
  • Saxony
    • Erzgebirge
      • Schwarzenberg District
        • Pöhla
Witzke, T.: Lapis 1996(6), 40-41
Japan
 
  • Honshu Island
    • Chugoku Region
      • Okayama Prefecture
Akira Kato (1973) Sakurai Koubutsu Hyohon, 34.
      • Shimane Prefecture
        • Unnan City
          • Daito
Akira Kato (1973) Sakurai Koubutsu Hyohon, 34.
Mexico
 
  • Chihuahua
    • Mun. de Aldama
      • Peña Blanca District
        • Sierra Peña Blanca
http://www.swri.org/4org/d20/ghs/PBlanca/mineral.html
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
USA
 
  • Maine
    • Androscoggin Co.
      • Poland
King, V. T. and Foord, E. E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, USA, pp. 418 + 88 plates.
  • New Hampshire
    • Sullivan Co.
      • Acworth
Dana 8:258
  • North Carolina
Foord,Eugene E.,Korzeb,Stanley L.,Litchte,Frederick E and Fitzpatrick,John J. (1997) Additional studies On Mixed Uranyl Oxide-Hydroxide Hydrate Alteration Products Of Uraninite From The Palermo And Ruggles Granitic Pegmatites,Grafton County,New Hampshire, The Canadian Mineralogist Vol.35 pp.145-151 (1997) pg.146,147,151.
  • Utah
    • San Juan Co.
      • White Canyon District
        • White Canyon
Min News 16:1 p1
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: May 28, 2015 09:19:46 Page generated: May 26, 2015 06:12:25