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Metaschoepite

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Pöhla-Tellerhäuser adit, Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany
© Thomas Witzke

Show Metaschoepite Photos (2)
Formula:
UO
 
3
 · 1-2H
 
2
O
System:Orthorhombic
This page provides mineralogical data about Metaschoepite.

Classification of Metaschoepite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/H.01-50
Nickel-Strunz 10th (pending) edition ID:4.GA.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
A : Without additional cations
Dana 8th edition ID:5.2.1.1

5 : OXIDES CONTAINING URANIUM OR THORIUM
2 : AXO3·xH2O
Hey's CIM Ref.:7.16.4

7 : Oxides and Hydroxides
16 : Oxides of U
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Type Occurrence of Metaschoepite

Type Locality:Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Central area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Year of Discovery:1960

Crystallography of Metaschoepite

Crystal System:Orthorhombic
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:
UO
 
3
 · 1-2H
 
2
O
Essential elements:H, O, U
All elements listed in formula:H, O, U

Relationship of Metaschoepite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.GA.05Paraschoepite
UO
 
3
 · 2H
 
2
O
4.GA.05Schoepite
(UO
 
2
)
 
8
O
 
2
(OH)
 
12
 · 12H
 
2
O
4.GA.10Ianthinite
U
4+
 
(UO
 
2
)
 
5
O
 
7
 · 10H
 
2
O
4.GA.15Metastudtite
UO
 
4
 · 2H
 
2
O
4.GA.15Studtite
UO
 
4
 · 4H
 
2
O
Related Minerals - Hey's Index Grouping:
7.16.1Uraninite
UO
 
2
7.16.2Schoepite
(UO
 
2
)
 
8
O
 
2
(OH)
 
12
 · 12H
 
2
O
7.16.3Paraschoepite
UO
 
3
 · 2H
 
2
O
7.16.5Metastudtite
UO
 
4
 · 2H
 
2
O
7.16.6Studtite
UO
 
4
 · 4H
 
2
O
7.16.7Ianthinite
U
4+
 
(UO
 
2
)
 
5
O
 
7
 · 10H
 
2
O
7.16.8Compreignacite
K
 
2
(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 7H
 
2
O
7.16.9Vandenbrandeite
Cu(UO
 
2
)(OH)
 
4
7.16.10Roubaultite
Cu
 
2
(UO
 
2
)
 
3
(OH)
 
10
 · 5H
 
2
O
7.16.11Becquerelite
Ca(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 8H
 
2
O
7.16.12Rameauite
K
 
2
Ca(UO
 
2
)
 
6
(OH)
 
16
 · H
 
2
O
7.16.13Agrinierite
K
 
2
(Ca,Sr)(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 5H
 
2
O
7.16.14Protasite
Ba(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 3H
 
2
O
7.16.15Billietite
Ba(UO
 
2
)
 
6
O
 
4
(OH)
 
6
 · 4-8H
 
2
O
7.16.16Bauranoite
Ba(UO
 
2
)
 
2
(OH)
 
6
 · 1-2H
 
2
O
7.16.17Metacalciouranoite
(Ca,Ba,Na
 
2
)U
 
2
O
 
7
·2H
 
2
O
7.16.18Calciouranoite
(Ca,Ba,Pb)U
 
2
O
 
7
·5H
 
2
O
7.16.19Orthobrannerite
UTi
 
4
O
 
12
(OH)
 
2
7.16.20Thorutite
(Th,U,Ca)Ti
 
2
(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
(U
4+
 
,Ca)(Ti,Fe
3+
 
)
 
2
O
 
6
7.16.24Fourmarierite
PbU
 
4
O
 
13
·4H
 
2
O
7.16.25Richetite
PbU
 
4
O
 
13
·4H
 
2
O
7.16.26Curite
Pb
 
3
(UO
 
2
)
 
8
O
 
8
(OH)
 
6
·2H
 
2
O
7.16.27Masuyite
Pb(UO
 
2
)
 
3
O
 
3
(OH)
 
2
 · 3H
 
2
O
7.16.28Vandendriesscheite
PbU
 
7
O
 
22
·12H
 
2
O
7.16.29Metavandendriesscheite
PbU
 
7
O
 
22
·nH
 
2
O n < 12
7.16.30Sayrite
Pb
 
2
(UO
 
2
)
 
5
O
 
6
(OH)
 
2
·4H
 
2
O
7.16.31Wölsendorfite
(Pb,Ca)U
 
2
O
 
7
·2H
 
2
O
7.16.32Clarkeite
(Na,Ca,Pb)
 
2
U
 
2
(O,OH)
 
7
7.16.33Uranosphaerite
Bi(UO
 
2
)O
 
2
(OH)

Other Names for Metaschoepite

German names:
Metaschoepit
Spanish names:
Metaschoepita

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 Metaschoepite

Reference List:American Mineralogist (1960): 45: 1026-1061.

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

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.

Internet Links for Metaschoepite

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    Localities for Metaschoepite

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    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.
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Mt Painter area
            • Radium Ridge
    		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
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
            • Jáchymov (St Joachimsthal)
    		Lapis 2002(7/8), 59
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Central area
          • 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
    		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
    USA
     
    • Maine
      • Androscoggin Co.
        • Poland
    		No reference listed
    • New Hampshire
      • Sullivan Co.
        • Acworth
    		Dana 8:258
    • Utah
      • San Juan Co.
        • White Canyon District
          • White Canyon
    		Min News 16:1 p1
    Mineral and/or Locality
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