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Metauranospinite

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Formula:
Ca(UO2)2(AsO4)2 · 8H2O
System:
Tetragonal
Colour:
Greenish yellow, ...
Lustre:
Sub-Vitreous, Resinous, Waxy, Pearly, Dull
Hardness:
2 - 3
Name:
Named in 1904 by Paul Gaubert for the dehdration relationship to uranocircite using synthetic material. Earliest natural report is unknown. Metauranospinite does not appear in Frondel (1958) Systematic Mineralogy of Uranium and Thorium.
Isostructural with:
Meta-autunite Group.
Dehydration product of uranospinite.


Classification of Metauranospinite

Approved, 'Grandfathered' (first described prior to 1959)
7/E.02-100
8.EB.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
40.2a.2.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
20.7.9

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

Physical Properties of Metauranospinite

Sub-Vitreous, Resinous, Waxy, Pearly, Dull
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Greenish yellow, yellowish green
Streak:
pale yellow
Hardness (Mohs):
2 - 3
Tenacity:
Very brittle
Cleavage:
Perfect
{001), also good on (010)
Density:
3.94 g/cm3 (Measured)    3.95 g/cm3 (Calculated)

Optical Data of Metauranospinite

Type:
Biaxial (-)
RI values:
nα = 1.591 - 1.610 nβ = 1.619 - 1.623 nγ = 1.621 - 1.623
2V:
Calculated: 28°
Birefringence:
0.013
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v distinct
Optical Extinction:
X = c
Pleochroism:
Visible
Comments:
X = colorless, Y=Z = pale canary yellow
Comments:
Birefringence may be as high as 0.030

Chemical Properties of Metauranospinite

Formula:
Ca(UO2)2(AsO4)2 · 8H2O
Elements listed in formula:

Crystallography of Metauranospinite

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
P42/n
Space Group Setting:
P42/n
Cell Parameters:
a = 7.14 Å, c = 17.00 Å
Ratio:
a:c = 1 : 2.381
Unit Cell Volume:
V 866.65 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Small square to rhombic tabular crystals.
Comment:
P42/n
X-Ray Powder Diffraction Data:
d-spacingIntensity
8.65 (10)
5.53 (8)
5.08 (4)
4.36 (4b)
3.57 (10)
3.31 (9)
3.00 (5)
Comments:
See also ICDD 36-407, 17-759, 25-468

Occurrences of Metauranospinite

Type Occurrence of Metauranospinite

Geological Setting of Type Material:
Synthetic uranocircite dehydrated in laboratory conditions.

Relationship of Metauranospinite to other Species

Other Members of Group:
AbernathyiteK(UO2)(AsO4) · 3H2O
Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
LehneriteMn2+(UO2)2(PO4)2 · 8H2O
Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2O
MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2O
MetalodèviteZn(UO2)2(AsO4)2 · 10H2O
MetanováčekiteMg(UO2)2(AsO4)2 · 8H2O
MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Metauranocircite-IBa(UO2)2(PO4)2 · 7H2O
MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2O
Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2O
Uramphite(NH4)2(UO2)2(PO4)2 · 6H2O
8.EB.05AutuniteCa(UO2)2(PO4)2 · 11H2O
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2O
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2O
8.EB.05Nováčekite-IMg(UO2)2(AsO4)2 · 12H2O
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2O
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2O
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2O
8.EB.05UranospiniteCa(UO2)(AsO4)2 · 10H2O
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2O
8.EB.05RauchiteNi(UO2)2(AsO4)2 · 10H2O
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 10H2O
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2O
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10Metauranocircite-IBa(UO2)2(PO4)2 · 7H2O
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2O
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2O
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 8H2O
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2O
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2O
8.EB.10Meta-lodèviteZn(UO2)2(AsO4)2 · 10H2O
8.EB.15AbernathyiteK(UO2)(AsO4) · 3H2O
8.EB.15Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
8.EB.15Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2O
8.EB.15Trögerite(H3O)(UO2)(AsO4) · 3H2O
8.EB.15Uramphite(NH4)2(UO2)2(PO4)2 · 6H2O
8.EB.15Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2O
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2O
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2O
8.EB.25ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20
8.EB.25Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
8.EB.35CoconinoiteFe23+Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2O
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2O
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2O
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2O
20.7.1Trögerite(H3O)(UO2)(AsO4) · 3H2O
20.7.2Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2O
20.7.3AbernathyiteK(UO2)(AsO4) · 3H2O
20.7.4MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
20.7.5ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
20.7.6MetanováčekiteMg(UO2)2(AsO4)2 · 8H2O
20.7.7Nováčekite-IMg(UO2)2(AsO4)2 · 12H2O
20.7.8ArsenuranyliteCa(UO2)4(AsO4)2(OH)4 · 6H2O
20.7.10UranospiniteCa(UO2)(AsO4)2 · 10H2O
20.7.11MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
20.7.12HeinrichiteBa(UO2)2(AsO4)2 · 10H2O
20.7.13MetalodèviteZn(UO2)2(AsO4)2 · 10H2O
20.7.14ArsenuranospathiteAl[(UO2)(AsO4)]2F(H2O)20
20.7.15HallimonditePb2(UO2)(AsO4)2 · nH2O, 0 ≤ n ≤ 0.5
20.7.16HügelitePb2(UO2)3(AsO4)2O2 · 5H2O
20.7.17AsselbornitePb(BiO)3(UO2)4(AsO4)2(OH)7·4H2O
20.7.18MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2O
20.7.19KahleriteFe(UO2)2(AsO4)2 · 12H2O
20.7.20MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2O

Other Names for Metauranospinite

Name in Other Languages:

Other Information

Fluorescent yellow green in SW and LW UV
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 Metauranospinite

Reference List:
American Mineralogist (1953): 38: 1159-1168.

American Mineralogist (1960): 45: 254.

Walenta, K. (1965): Beiträge zur Kenntnis seltener Arsenatmineralien unter besonderer Berücksichtigung von Vorkommen des Schwarzwaldes. 2. Folge. Tschermaks Mineral. Petrog. Mitt., 9, 252–282 (in German).

Bulletin of the Moravian Museum, Brno (1984): 69: 26.

Internet Links for Metauranospinite

mindat.org URL:
https://www.mindat.org/min-2667.html
Please feel free to link to this page.

Localities for Metauranospinite

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.
(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.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
Germany (TL)
 
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
        • Wittichen
          • Böckelsbach valley
Walenta, 1958 Jahresheft geol. Landesamt Baden-Wurttemberg, 3, 17-51
  • Bavaria
    • Franconia
      • Spessart
        • Hösbach
          • Sailauf
            • Hartkoppe
see locality page
  • Rhineland-Palatinate
    • Palatinate
      • Winnweiler
        • Imsbach
Lapis, 9 (5), 36-39.
Wittern: "Mineralfundorte in Deutschland", 2001
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Erzgebirge
      • Marienberg District
        • Lauta
Hajek, W. (2010): Kristallwelten Marienberg. Weise Verlag, München.
        • Wolkenstein
Daniel Lunau collection
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Chitinskaya Oblast'
        • Krasnokamensk
P.M. Kartashov data; Pavel M. Kartashov data
South Africa
 
  • Western Cape Province
    • Central Karoo District
Minerals of South Africa
USA
 
  • Colorado
    • San Juan Co.
      • Elk Park
Rocks & Min.:65:59.
  • Maine
    • Oxford Co.
      • Paris
King and Foord, 2000, Mineralogy of Maine, Addenda to Volume 1.
Mineral and/or Locality  
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