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Upalite

A valid IMA mineral species
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The name reflects its composition: uranyl (U), phosphorus (P) and aluminium (Al).
Type Locality:
ⓘKobokobo pegmatite, Mwenga Territory, South Kivu, DR Congo
This page provides mineralogical data about Upalite.


Unique Identifiers
Approval year:
1978
First published:
1979
Type description reference:
Deliens, Michel, Piret, Paul (1979) Les phosphates d'uranyle et d'aluminium de Kobokobo. II. La phuralumite Al2(UO2)3(PO4)2(OH)6·10H2O et l'upalite Al(UO2)3(PO4)2(OH)3, nouveaux minéraux.Bulletin de Minéralogie, 102 (4) 333-337doi:10.3406/bulmi.1979.7326

Classification of Upalite

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
Dana 8th ed.:
42.7.12.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
Hey's CIM Ref.:
19.11.26

19 : Phosphates
11 : Phosphates of U

Mineral Symbols
Surface Relief:
Moderate
Dispersion:
strong
Pleochroism:
Strong
Comments:
X colorless, Y and Z canary yellow
Comments:
X = b, Y = a

Chemistry of Upalite

Crystallography of Upalite
General Appearance of Type Material:
Amber-yellow needles, to 1/3 mm.
Place of Conservation of Type Material:
Royal Museum of Central Africa, Tervuren, Belgium, RMG5951, RMG13457, RMG11888.
Geological Setting of Type Material:
Oxidized zone of a complex pegmatite.
Associated Minerals at Type Locality:
Meta-autunitePhosphuranylitePhuralumiteThreadgoldite
Reference:
Deliens, Michel, Piret, Paul (1979) Les phosphates d'uranyle et d'aluminium de Kobokobo. II. La phuralumite Al2(UO2)3(PO4)2(OH)6·10H2O et l'upalite Al(UO2)3(PO4)2(OH)3, nouveaux minéraux.Bulletin de Minéralogie, 102 (4) 333-337doi:10.3406/bulmi.1979.7326

Synonyms of Upalite

Other Language Names for Upalite

Relationship of Upalite to other Species
Other Members of Phosphuranylite 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/m2/m2/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/m2/m2/m) :Cmcm
PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.mmm(2/m2/m2/m) :Pbca
VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.mmm(2/m2/m2/m)
YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth.mmm(2/m2/m2/m) :Cmcm

Common AssociatesMon. 2/m8.EC.05Françoisite-(Ce)(Ce,Nd,Ca)(UO2)3(PO4)2O(OH) · 6H2OMon. 2/m :P21/b8.EC.05PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m8.EC.10YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth.mmm(2/m2/m2/m) :Cmcm8.EC.10RenarditePb(UO2)4(PO4)2(OH)4 · H2OOrth.8.EC.10PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2OOrth.mmm(2/m2/m2/m) :Cmcm8.EC.10ArsenuranyliteCa(UO2)4(AsO4)2(OH)4 · 6H2OOrth.mmm(2/m2/m2/m)8.EC.10KivuiteTh(UO2)4(PO3OH)2(OH)8 · 7H2O8.EC.10DewindtiteH2Pb3(UO2)6O4(PO4)4 · 12H2OOrth.mmm(2/m2/m2/m) :Cmma8.EC.15DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m :P21/m8.EC.15HügelitePb2(UO2)3(AsO4)2O2 · 5H2OMon. 2/m :P21/m8.EC.20VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.mmm(2/m2/m2/m)8.EC.20ArsenovanmeersscheiteU6+(UO2)3(AsO4)2(OH)6 · 4H2OOrth.mm2 :Pmn218.EC.20MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth.mmm(2/m2/m2/m) :Fddd8.EC.25AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric.1 :P18.EC.30MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2OOrth.8.EC.35PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.mmm(2/m2/m2/m) :Pbca8.EC.40BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m :P21/b

Radioactivityshield). This calculation provides a 'worst-case' or 'maximum risk' estimate because it assumes the sample is a point source and entirely neglects any self-shielding where radiation is absorbed within the mineral itself, meaning actual doses will typically be lower. The resulting dose rate (D) is expressed in microsieverts per hour (μSv/h).

D = ((AU × ΓU) + (ATh × ΓTh) + (AK × ΓK)) / r2 × μshield

Fluorescence of Upalite

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    • References for UpaliteⓘKobokobo pegmatite (TL)Deliens et al. (1979)
    Italy
     
    M:E. Ciriotti collection (SEM-EDS probed)
    Romania
     
    Hîrtopanu P. et al. (2004)
    USA
     
    Sidney A. Williams specimen
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