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Vanmeersscheite

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About VanmeersscheiteHide

03970360015130029506775.jpg
Maurice Charles Florimond Van Meerssche
Formula:
U6+(UO2)3(PO4)2(OH)6 · 4H2O
Colour:
Yellow
Lustre:
Vitreous
Crystal System:
Orthorhombic
Name:
Named in honor of Maurice Charles Florimond Van Meerssche (18 April 1923 Sint-Niklaas, Belgium - 16 March 1990 Ottignies-Louvain-la-Neuve, Belgium), professor of crystallography, Université Catholique de Louvain, Belgium.
Not to be confused with vandermeersscheite.


Classification of VanmeersscheiteHide

Approved
Approval year:
1981
First published:
1982
7/E.07-140
8.EC.20

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
42.7.14.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
19.11.3

19 : Phosphates
11 : Phosphates of U

Physical Properties of VanmeersscheiteHide

Vitreous
Colour:
Yellow
Cleavage:
Distinct/Good
{010} good, {100} less so.

Optical Data of VanmeersscheiteHide

Type:
Biaxial (-)
RI values:
nα = 1.704 nβ = 1.715 nγ = 1.718
2V:
Measured: 56° , Calculated: 54°
Max Birefringence:
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Pleochroism:
Weak
Comments:
Yellow to pale yellow.

Chemical Properties of VanmeersscheiteHide

Formula:
U6+(UO2)3(PO4)2(OH)6 · 4H2O
IMA Formula:
U(UO2)3(PO4)2(OH)6 · 4H2O

Crystallography of VanmeersscheiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 17.06 Å, b = 16.76 Å, c = 7.02 Å
Ratio:
a:b:c = 1.018 : 1 : 0.419
Unit Cell V:
2,007.20 ų (Calculated from Unit Cell)
Morphology:
Plates elongated on [001], forms noted include (010),(100),(101),(101).

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0012077VanmeersscheitePiret P, Deliens M (1982) La vanmeerscheite U(UO2)3(PO4)2(OH)6*4(H2O) et la meta-vanmeerscheite U(UO2)3(PO4)2(OH)6*2(H2O), nouveaux mineraux Bulletin de Mineralogie 105 125-1281982Kobokobo pegmatite, Kivu, Zaire0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.39 Å(100)
5.96 Å(80)
4.18 Å(70)
3.069 Å(70)
2.887 Å(70)

Type Occurrence of VanmeersscheiteHide

General Appearance of Type Material:
Yellow plates
Place of Conservation of Type Material:
Catholic University of Louvain, Louvain, F360.
Royal Museum of Central Africa, Tervuren, Belgium, RMG13749.
Geological Setting of Type Material:
Altered granite pegmatite
Associated Minerals at Type Locality:
Reference:
Piret, P., Deliens, M. (1982) Vanmeersscheite U(UO2)3(PO4)2(OH)6·4H2O and meta-vanmeersscheite U(UO2)3(PO4)2(OH)6·2H2O, new minerals. Bulletin de Minéralogie: 105: 125-128.

Synonyms of VanmeersscheiteHide

Other Language Names for VanmeersscheiteHide

Simplified Chinese:磷铀矿

Relationship of Vanmeersscheite to other SpeciesHide

Other Members of this group:
AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric. 1 : P1
BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b
DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m : P21/m
Françoisite-(Ce)(Ce,Nd,Ca)(UO2)3(PO4)2O(OH) · 6H2OMon. 2/m : P21/b
Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon.
PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.
UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon.
YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmcm

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Vanmeersscheite associated with Umohoite(UO2)MoO4 · 2H2O

Related Minerals - Nickel-Strunz GroupingHide

8.EC.05Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
8.EC.05PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
8.EC.05UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon.
8.EC.05Françoisite-(Ce)(Ce,Nd,Ca)(UO2)3(PO4)2O(OH) · 6H2OMon. 2/m : P21/b
8.EC.10ArsenuranyliteCa(UO2)4(AsO4)2(OH)4 · 6H2OOrth.
8.EC.10DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
8.EC.10KivuiteTh(UO2)4(PO3OH)2(OH)8 · 7H2O
8.EC.10PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
8.EC.10YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
8.EC.15DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m : P21/m
8.EC.15HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon.
8.EC.20MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth. mmm (2/m 2/m 2/m) : Fddd
8.EC.20ArsenovanmeersscheiteU6+(UO2)3(AsO4)2(OH)6 · 4H2OOrth. mm2 : Pmn21
8.EC.25AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric. 1 : P1
8.EC.30MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2OOrth.
8.EC.35PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.
8.EC.40BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

42.7.14.2MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth. mmm (2/m 2/m 2/m) : Fddd
42.7.14.3ArsenovanmeersscheiteU6+(UO2)3(AsO4)2(OH)6 · 4H2OOrth. mm2 : Pmn21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.11.1LermontoviteU(PO4)(OH) · H2OOrth. mmm (2/m 2/m 2/m) : Ccca
19.11.2MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth. mmm (2/m 2/m 2/m) : Fddd
19.11.4Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
19.11.5VyacheslaviteU(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Cmca
19.11.6MetanatroautuniteNa(UO2)(PO4)(H2O)3Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
19.11.7YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.8Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
19.11.9Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet.
19.11.10TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
19.11.11MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
19.11.12SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m
19.11.13Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2OOrth.
19.11.14Meta-autuniteCa(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m)
19.11.15AutuniteCa(UO2)2(PO4)2 · 10-12H2OOrth. mmm (2/m 2/m 2/m) : Pnma
19.11.16Pseudo-autunite(H3O)4Ca2(UO2)2(PO4)4 · 5H2OOrth.
19.11.17PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.
19.11.18PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.19UlrichiteCaCu(UO2)(PO4)2 · 4H2OMon.
19.11.20BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b
19.11.21Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
19.11.22UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
19.11.23RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
19.11.24TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
19.11.25MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2OOrth.
19.11.26UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon.
19.11.27FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
19.11.28ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
19.11.29PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
19.11.30MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2OMon. 2/m : P21/b
19.11.31SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m
19.11.32Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
19.11.33AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric. 1 : P1
19.11.34Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
19.11.35KivuiteTh(UO2)4(PO3OH)2(OH)8 · 7H2O
19.11.36ParsonsitePb2(UO2)(PO4)2Tric. 1 : P1
19.11.37DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
19.11.38DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m : P21/m
19.11.39PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
19.11.40LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
19.11.41BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
19.11.42Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.

Fluorescence of VanmeersscheiteHide

Strongly fluorescent in green in short- and longwave UV light.

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 VanmeersscheiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Piret, P., Deliens, M. (1982) Vanmeersscheite U(UO2)3(PO4)2(OH)6·4H2O and meta-vanmeersscheite U(UO2)3(PO4)2(OH)6·2H2O, new minerals. Bulletin de Minéralogie: 105: 125-128 (in French).
Fleischer, M., Cabri, L.J., Chao, G.Y., Mandarino, J.A., Pabst, A. (1982) New mineral names. American Mineralogist: 67: 1074-1082.
Burns, P.C. (2005) U6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.
Frost, R.L., Cejka, J., Dickfos, M.J. (2009) Raman spectroscopic study of the uranyl minerals vanmeersscheite U(OH)4[UO2)3(PO4)2(OH)2]·4H2O and arsenouranylite Ca(UO2)[(UO2)3(AsO4)2(OH)2)]·(OH)2·6H2O. Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy: A71: 1799-1803.

Internet Links for VanmeersscheiteHide

Localities for VanmeersscheiteHide

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.
China
 
  • Guangdong
    • Qingyuan
      • Lianzhou City (Lian Co.)
Shixian Liu (1983): Mineral Deposits 2(4), 61-68
DR Congo
 
  • Haut-Katanga
    • Kambove District
      • Shinkolobwe
Jakub Plasil
  • South Kivu
    • Shabunda Territory
Piret, P. & Deliens, M. (1982): Vanmeersscheite U(UO2)3(PO4)2(OH)6.4H2O and meta-vanmeersscheite U(UO2)3(PO4)2(OH)6.2H2O, new minerals. Bulletin de Minéralogie, 105, 125-128 (in French).
France
 
  • Brittany
    • Morbihan
      • Pontivy
        • Berné
Deliens, M. et Lheur, C. (2017) La vanmeersscheite du Bonote, près de Berné, Morbihan. Le Règne Minéral, 135, 55-56
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Waldshut
        • St Blasien
          • Menzenschwand
Walenta, K. (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellan. Christian Weise Verlag, München, 336 pages [in German].
Italy
 
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Borgo Chiese
        • Condino
Campostrini, I., Demartin, F., & Gramaccioli, C. M. (2006). Rio Giulis. Minerali secondari del giacimento uranifero presso Condino, Trento. Rivista Mineralogica Italiana, 30(3), 152-165.
USA
 
  • Arizona
    • Coconino County
      • Cameron Mining District
        • Cameron
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 412.
  • Maine
    • Oxford County
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.; Mineralogical Record 22:382
 
Mineral and/or Locality  
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