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Parsonsite

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Arthur Leonard Parsons
Formula:
Pb2(UO2)(PO4)2
Water content appears to be variable.
Both 0-0.5H2O and ~2H2O per formula unit were measured.
Colour:
Light citron-yellow, honey-brown, green-brown, pale rose (rare); pale yellow in transmitted light.
Lustre:
Sub-Adamantine, Greasy
Hardness:
2½ - 3
Specific Gravity:
5.72 - 5.75
Crystal System:
Triclinic
Name:
In honor of Arthur Leonard Parsons (1873-1957), Professor and Head of Mineralogy and Petrography, University of Toronto (1936-1943), Assistant Director (1920-1939) and Director (1939-1957) of the Royal Ontario Museum.
Hallimondite-Parsonsite Series.
The phosphate analogue of Hallimondite.


Hide all sections | Show all sections

Classification of ParsonsiteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.EA.10

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
A : UO2:RO4 = 1:2
40.2a.31.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
19.11.36

19 : Phosphates
11 : Phosphates of U

Physical Properties of ParsonsiteHide

Sub-Adamantine, Greasy
Transparency:
Transparent, Translucent
Colour:
Light citron-yellow, honey-brown, green-brown, pale rose (rare); pale yellow in transmitted light.
Hardness:
2½ - 3 on Mohs scale
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
5.72 - 5.75 g/cm3 (Measured)    6.21 g/cm3 (Calculated)

Optical Data of ParsonsiteHide

Type:
Biaxial (-)
RI values:
nα = 1.850 nγ = 1.860
2V:
Measured: 11° to 26°
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong
Pleochroism:
Non-pleochroic

Chemical Properties of ParsonsiteHide

Formula:
Pb2(UO2)(PO4)2

Water content appears to be variable.
Both 0-0.5H2O and ~2H2O per formula unit were measured.
IMA Formula:
Pb2(UO2)(PO4)2 · 0-2H2O

Crystallography of ParsonsiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.89 Å, b = 10.42 Å, c = 6.68 Å
α = 101.43°, β = 98.25°, γ = 86.28°
Ratio:
a:b:c = 0.661 : 1 : 0.641
Unit Cell V:
464.88 ų (Calculated from Unit Cell)
Morphology:
Crystals lath-like, elongated [001] and flattened {010}, exhibiting {001}, {101}, and {100}. Radial-fibrous spherulites; commonly as crusts and powdery aggregates.

Type Occurrence of ParsonsiteHide

Synonyms of ParsonsiteHide

Other Language Names for ParsonsiteHide

Relationship of Parsonsite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Torbernite28 photos of Parsonsite associated with Torbernite on mindat.org.
Metatorbernite12 photos of Parsonsite associated with Metatorbernite on mindat.org.
Opal4 photos of Parsonsite associated with Opal on mindat.org.
Columbite4 photos of Parsonsite associated with Columbite on mindat.org.
Autunite4 photos of Parsonsite associated with Autunite on mindat.org.
Mimetite-Pyromorphite Series4 photos of Parsonsite associated with Mimetite-Pyromorphite Series on mindat.org.
Chalcedony3 photos of Parsonsite associated with Chalcedony on mindat.org.
Pyromorphite3 photos of Parsonsite associated with Pyromorphite on mindat.org.
Mimetite2 photos of Parsonsite associated with Mimetite on mindat.org.
Becquerelite2 photos of Parsonsite associated with Becquerelite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.EA.05Orthowalpurgite(BiO)4(UO2)(AsO4)2 · 2H2OOrth.
8.EA.05Walpurgite(BiO)4(UO2)(AsO4)2 · 3H2OTric.
8.EA.05Phosphowalpurgite(BiO)4(UO2)(PO4)2 · 2H2OTric. 1 : P1
8.EA.10HallimonditePb2(UO2)(AsO4)2 · nH2O, 0 ≤ n ≤ 0.5Tric. 1 : P1
8.EA.15UlrichiteCaCu(UO2)(PO4)2 · 4H2OMon.
8.EA.20LakebogaiteCaNaFe3+2H(UO2)2(PO4)4(OH)2 · 8H2OMon. m : Bb

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

40.2a.31.1MetarauchiteNi(UO2)2(AsO4)2 · 8H2OTric. 1 : P1

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
19.11.3VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.
19.11.4Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
19.11.5VyacheslaviteU(PO4)(OH) · nH2OOrth.
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 : P21/b
19.11.13NingyoiteCaU(PO4)2 · 1-2H2OOrth.
19.11.14Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2OTet. 4/mmm (4/m 2/m 2/m)
19.11.15AutuniteCa(UO2)2(PO4)2 · 11H2OOrth. 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.
19.11.18Phosphuranylite(H3O)3KCa(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)3(OH)2 · 13H2OMon.
19.11.30MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2O
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.
19.11.35Kivuite(Th,Ca,Pb)(UO2)4(HPO4)2(OH)8 · 7H2O
19.11.37DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
19.11.38DumontitePb2(UO2)3(PO4)2(OH)4 · 3H2OMon. 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 ParsonsiteHide

Not fluorescent.

Other InformationHide

Notes:
Radioactive. Soluble in acids.
Health Risks:
Radioactive. Don't store in occupied areas. Avoid inhaling dust. Wash hands after handling.

References for ParsonsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
SCHOEP, A. (1923): Sur le parsonsite, nouveau minéral radioactif. Comptes Rendu, Academie des Sciences, Paris, 176, 171-173 (in French).
FRONDEL, C. (1950): Studies of uranium minerals (I): Parsonsite and randite. American Mineralogist 35, 245-250.
MAZZI, F., GARAVELLI, C.L. & RINALDI, F. (1959): Richerche strutturali sulla parsonite (sic). Rendiconti della Società Mineralogica Italiana 25, 364-365 (in Italian).
DELIENS, M., PIRET, P. & COMBLAIN, G. (1981) Les minéraux secondaires d’uranium du Zaïre. Published by Musée Royal de l’Afrique Central, Tavuren, Belgium, 64-65 (in french).
Billiet (1926) Bulletin de la Société française de Minéralogie: 49: 136.
Frondel, C. (1958) Systematic mineralogy of uranium and thorium. U.S. Geological Survey Bull. 1064: 233–236.
Burns, P.C. (2000) A new uranyl phosphate chain in the structure of parsonsite. American Mineralogist 85: 801-805.
Locock, A.J., Burns, P.C., Flynn, T.M. (2005): The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 ≤ n ≤ 0.5. American Mineralogist, 90, 240-246.
Burns, P.C. (2005) U6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.
Plášil, J., Čejka, J., Sejkora, J., Škácha, P. (2009): The question of water content in parsonsite: a model case - occurrence at the Červené žíly vein system, Jáchymov (St. Joachimsthal), Czech Republic. Journal of Geosciences, 54, 385–394.

Internet Links for ParsonsiteHide

Localities for ParsonsiteHide

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.
Australia
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
Frost, Ray L. and Cejka, Jiri and Weier, Matt L. and Martens, Wayde N. (2006) A Raman spectroscopic study of the uranyl phosphate mineral parsonsite. Journal of Raman Spectroscopy 37(9):pp. 879-891.
Austria
 
  • Salzburg
    • Hohe Tauern
      • Gastein valley
        • Naßfeld valley
          • Kreuzkogel massif
            • Radhausberg
Auer, Ch. (2005)
Brazil
 
  • Minas Gerais
    • Malacacheta district
      • Malacacheta
Stephan Wolfsried collection
Canada
 
  • Ontario
    • Algoma District
      • Peever Township
TRAILL, R.J. (1983): A catalogue of Canadian minerals, Geological Survey of Canada Paper
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Hradec Králové Region
      • Krkonoše Mtn (Riesengebirge)
        • Špindlerův Mlýn (Spindlermühle)
Plášil J., Sejkora J., Škoda R., Goliáš V. 2006: Supergene Y, REE minerals from the Medvědín deposit, the Krkonoše (Giant) Mts., Czech Repulic. Mineralogia Polonica, vol. 28, 181-183; Journal of Geosciences 54:15-56
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
          • Jáchymov (St Joachimsthal)
Plášil, J., Čejka, J., Sejkora, J., Škácha, P. (2009): The question of water content in parsonsite: a model case - occurrence at the Červené žíly vein system, Jáchymov (St. Joachimsthal), Czech Republic. Journal of Geosciences, 54, 385-394.
Lapis 2002(7/8), 54
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
        • Horní Hoštice
Pauliš, P., Novák, F., Ševců, J.: Sekundární minerály z uranového ložiska Jelení vrch u Horních Hoštic v Rychlebských horách. Acta Musei Moraviae, Scientiae geologicae, 2004, roč. 89, s. 121 - 138.
Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
Democratic Republic of Congo (Zaïre) (TL)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Shinkolobwe
SCHOEP, A. (1923): Sur le parsonsite, nouveau minéral radioactif. Comptes Rendu, Academie des Sciences, Paris, 176, 171-173. FRONDEL, C. (1950): Studies of uranium minerals (I): Parsonsite and randite. American Mineralogist 35, 245-250. MAZZI, F., GARAVELLI, C.L. & RINALDI, F. (1959): Richerche strutturali sulla parsonite (sic). Rendiconti della Società Mineralogica Italiana 25, 364-365. DELIENS, M., PIRET, P. & COMBLAIN, G. (1981) Les minéraux secondaires d’uranium du Zaïre. Published by Musée Royal de l’Afrique Central, Tavuren, Belgium, 64-65.
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Ébreuil
        • Échassières
Mario Mebus collection (SXRD-analysed by Uwe Kolitsch)
Le Règne Minéral, (33), 5-25.; CUCHET, S., BRUGGER, J., MEISSER, N., ANSERMET, S. & CHIAPPERO, P.-J. (2000): Les minéraux du filon Sainte-Barbe, Les Montmins, Allier. Le Règne Minéral, (33), 5-25.
    • Haute-Loire
      • La Chaise-Dieu
J.-J. Périchaud: "Les Minéraux d'Auvergne", Vol. 2, 1986
    • Loire
      • Saint-Just-en-Chevalet
        • Saint-Priest-la-Prugne
Le Règne Minéral, Hors Série IV, 1998
Le Règne Minéral, Hors Série IV, 1998
Le Règne Minéral, Hors Série IV, 1998; J.-J. Périchaud: "Où trouver les minéraux d'Auvergne", Vol. 1, Editions l'Instant Durable (Clermont-Ferrand), 1985, p. 92
    • Puy-de-Dôme
      • Puy-Guillaume
Poughon, A. & Moreau, M. (1955): Les gisements à parsonsite de Lachaux. Sci. de la Terre 3, 193-235.
Le Règne Minéral, Hors Série IV (1998)
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
J. Geffroy, J.A. Sarcia, J. Chervet : "Les Minéraux Uranifères Français", 1960, Institut National des Sciences et Techniques Nucléaires / Saclay - PUF.
P.-C. Guiollard (2002), L'uranium du Morvan et du Forez, Ed. P.-C. Guiollard, Fichous(64), 95 pp.
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
J. Chervet, G. Branche : "Contribution à l'étude des minéraux secondaires d'uranium français", ENSP Nancy, 1955
Queneau Patrice Collection
  • Bourgogne-Franche-Comté
    • Nièvre
Le Règne Minéral, Hors Série IV, 1998
    • Saône-et-Loire
      • Gueugnon
        • Neuvy-Grandchamp
Le Règne Minéral, Hors Série IV, 1998
      • Issy-l'Evêque
        • Grury
Le Règne Minéral, Hors Série IV, 1998
Frost, Ray L. and Cejka, Jiri and Weier, Matt L. and Martens, Wayde N. (2006) A Raman spectroscopic study of the uranyl phosphate mineral parsonsite. Journal of Raman Spectroscopy 37(9):pp. 879-891.
Le Règne Minéral, Hors Série IV, 1998
  • Brittany
    • Côtes-d'Armor
      • Moncontour
Le Règne Minéral, Hors Série IV, 1998
    • Finistère
      • Guilers
Le Règne Minéral, Hors Série IV, 1998
    • Morbihan
      • Guern
Le Règne Minéral, Hors Série IV (1998)
  • Nouvelle-Aquitaine
    • Creuse
Le Règne Minéral, Hors Série IV, 1998
    • Haute-Vienne
      • Bessines-sur-Gartempe
Le Règne Minéral, Hors Série IV, 1998
      • Compreignac
Le Règne Minéral, Hors Série IV, 1998
  • Occitanie
    • Lozère
      • Chateauneuf-de-Randon
        • Saint-Jean-la-Fouillouse
Le Règne Minéral, Hors Série IV, 1998
      • Grandrieu
Le Règne Minéral, Hors Série IV, 1998
Germany
 
  • Bavaria
    • Upper Palatinate
      • Wölsendorf Fluorite Mining District
        • Wölsendorf East District
          • Schwarzach bei Nabburg
            • Wölsendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Zandt
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
        • Steinbach
Gröbner, J., Grimm, O. & Zienau, H. (2005): Neufunde interessanter Wismut- und Uranmineralien am Schaarschacht, Johanngeorgenstadt, Sachsen. Lapis 30 (6), 44-51; 62.
      • Schneeberg District
        • Neustädtel
    • Vogtland
      • Oelsnitz
Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
  • Thuringia
    • Wurzbach
      • Weitisberga
Wittern: "Mineralfundorte in Deutschland", 2001
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Antrona Valley
          • Montescheno
Biffi, P., Sbacchi, M., Sinelli, E. (1999): La pegmatite de I Mondei, Rivista Mineralogica Italiana, 23(1), 42-49.; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Sardinia
    • Cagliari Province
      • Assemini
Ref: Daniele Ravagnani - I giacimenti uraniferi Italiani ed i loro minerali - Gruppo Mineralogico Lombardo-Museo Civico di Storia Naturale di Milano - Milano, 1974, pp. 160-164
Stara, P. (1990): La miniera di San Leone (CA). Rivista Mineralogica Italiana, 3/1990, 121-136.
      • Capoterra
Ref: Daniele Ravagnani - I giacimenti uraniferi Italiani ed i loro minerali - Gruppo Mineralogico Lombardo-Museo Civico di Storia Naturale di Milano - Milano, 1974, pp. 160-164; Mineralogical Record 18:3, 181-184
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Rudawy Janowickie Mts
      • Jelenia Góra District
Siuda R., Domańska-Siuda J. & Gołębiowska B. 2010: Secondary uranium minerals from the Miedzianka-Ciechanowice deposit (Rudawy Janowickie Mts., Poland). Mineralogia - Special Papers, vol. 37, 108
Portugal
 
  • Guarda District
    • Gouveia
      • Vila Cortês da Serra
    • Trancoso
      • Sebadelhe da Serra
Pedro Alves collection; Van King
  • Viseu District
    • Mangualde
      • Chãs de Tavares
        • Tragos
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
Rui Nunes 2011
USA
 
  • Arizona
    • Cochise Co.
      • Huachuca Mts
        • Hartford District (Huachuca Mountains District)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 322.
  • Colorado
    • Fremont Co.
      • Eight Mile Park pegmatite District
"Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997
Minerals of Colorado (1997) Eckel, E. B.
    • Gunnison Co.
      • Tomichi District
Minerals of Colorado (1997) Eckels, E. B.
Minerals of Colorado (1997) Eckels, E. B.
  • Connecticut
    • Middlesex Co.
      • Portland
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
  • New Hampshire
    • Grafton Co.
      • Grafton
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 914.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
Mineral and/or Locality  
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