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Vanmeersscheite

A valid IMA mineral species
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07265810014969628919461.jpg
Vanmeersscheite

Schneckenstein cliff, Schneckenstein, Tannenbergsthal, Muldenhammer, Vogtlandkreis, Saxony, Germany
03050810014947212499788.jpg
Vanmeersscheite

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo
06625020014947212486724.jpg
Vanmeersscheite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo
08251500014948223363879.jpg
Vanmeersscheite

Schneckenstein cliff, Schneckenstein, Tannenbergsthal, Muldenhammer, Vogtlandkreis, Saxony, Germany
02374990014947125343585.jpg
Vanmeersscheite

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo
00217780014947125343268.jpg
Vanmeersscheite, etc.

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo
07265810014969628919461.jpg
Vanmeersscheite

Schneckenstein cliff, Schneckenstein, Tannenbergsthal, Muldenhammer, Vogtlandkreis, Saxony, Germany
03050810014947212499788.jpg
Vanmeersscheite

Shinkolobwe Mine, Shinkolobwe, Kambove Territory, Haut-Katanga, DR Congo
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About VanmeersscheiteHide

03970360015130029506775.jpg
Maurice Charles Florimond Van Meerssche
Formula:
U6+(UO2)3(PO4)2(OH)6 · 4H2O
Colour:
Canary Yellow
Lustre:
Vitreous
Specific Gravity:
4.67 (Calculated)
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.


Unique IdentifiersHide

Mindat ID:
4147
Long-form identifier:
mindat:1:1:4147:4
GUID
(UUID V4):
e3f74f97-bf9f-4596-b509-86ef3d1f997f

IMA Classification of VanmeersscheiteHide

Classification of VanmeersscheiteHide

Strunz-mindat (2024):
8.EC.20

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

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

19 : Phosphates
11 : Phosphates of U

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
VmsIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of VanmeersscheiteHide

Lustre:
Vitreous
Transparency:
Translucent
Colour:
Canary Yellow
Cleavage:
Distinct/Good
{010} good, {100} fair.
Density:
4.67 g/cm3 (Calculated)

Optical Data of VanmeersscheiteHide

Type:
Biaxial (-)
RI values:
nα = 1.704 nβ = 1.715(2) nγ = 1.718(2)
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.

Chemistry of VanmeersscheiteHide

Mindat Formula:
U6+(UO2)3(PO4)2(OH)6 · 4H2O
Elements listed:
H, O, P, U - search for minerals with similar chemistry

Crystallography of VanmeersscheiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 17.06 Å, b = 16.76 Å, c = 7.023 Å
Ratio:
a:b:c = 1.018 : 1 : 0.419
Unit Cell V:
2,008.06 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Plates elongated on [001], forms noted include (010),(100),(101),(101).
Comment:
Space Group: P21mn

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)
5.30 Å(50)
3.905 Å(50)

Geological EnvironmentHide

Type Occurrence of VanmeersscheiteHide

Type Locality:
ⓘ Kobokobo pegmatite, Mwenga Territory, South Kivu, DR Congo
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:
StudtiteMetavanmeersscheite
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

Member of:
Phosphuranylite Group
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)6O4(PO4)4 · 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. 2/m
HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon. 2/m : P21/m
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. mmm (2/m 2/m 2/m) : Pbca
UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon. 2/m : P21/b
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 MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2O
1 photo of Vanmeersscheite associated with Umohoite(UO2)MoO4 · 2H2O
1 photo of Vanmeersscheite associated with Iriginite(UO2)Mo2O7 · 3H2O
1 photo of Vanmeersscheite associated with ZeuneriteCu(UO2)2(AsO4)2 · 12H2O

Related Minerals - Strunz-mindat GroupingHide

8.EC.05Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon. 2/m
8.EC.05PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
8.EC.05UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon. 2/m : P21/b
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. mmm (2/m 2/m 2/m)
8.EC.10DewindtiteH2Pb3(UO2)6O4(PO4)4 · 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.10RenarditePb(UO2)4(PO4)2(OH)4 · H2OOrth.
8.EC.15DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m : P21/m
8.EC.15HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon. 2/m : P21/m
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. mmm (2/m 2/m 2/m) : Pbca
8.EC.40BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b

Fluorescence of VanmeersscheiteHide

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

Other InformationHide

Notes:
Radioactive
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for VanmeersscheiteHide

References 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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
China
 
  • Guangdong
    • Qingyuan
      • Lianzhou City (Lian Co.)
Shixian Liu (1983)
DR Congo
 
  • Haut-Katanga
    • Kambove Territory
      • Shinkolobwe
Jakub Plasil
  • South Kivu
    • Mwenga Territory
Piret et al. (1982)
France
 
  • Brittany
    • Morbihan
      • Pontivy
        • Berné
Deliens et al. (2017)
  • Occitanie
    • Hérault
      • Lodève
        • Le Puech
Collection Frédéric Bonnet
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Waldshut
        • St Blasien
          • Menzenschwand
Walenta (1992)
Italy
 
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Borgo Chiese
        • Condino
Campostrini et al. (2006)
USA
 
  • Arizona
    • Coconino County
      • Cameron Mining District
        • Cameron
Anthony et al. (1995)
  • Maine
    • Oxford County
      • Newry
Mineralogical Record 22:382 +2 other references
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