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Phurcalite

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Formula:
Ca2(UO2)3(PO4)2O2 · 7H2O
Colour:
Yellow
Lustre:
Adamantine, Vitreous
Hardness:
3
Crystal System:
Orthorhombic
This page provides mineralogical data about Phurcalite.


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Classification of PhurcaliteHide

Approved
Approval Year:
1977
8.EC.35

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
42.4.7.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq·xH2O
19.11.17

19 : Phosphates
11 : Phosphates of U

Physical Properties of PhurcaliteHide

Adamantine, Vitreous
Transparency:
Translucent
Colour:
Yellow
Hardness:

Optical Data of PhurcaliteHide

Type:
Biaxial (-)
RI values:
nα = 1.690 nβ = 1.730 nγ = 1.749
2V:
Measured: 68° , Calculated: 66°
Max Birefringence:
δ = 0.059
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
weak to moderate

Chemical Properties of PhurcaliteHide

Formula:
Ca2(UO2)3(PO4)2O2 · 7H2O
IMA Formula:
Ca2(UO2)3O2(PO4)2 · 7H2O

Crystallography of PhurcaliteHide

Crystal System:
Orthorhombic

Type Occurrence of PhurcaliteHide

Synonyms of PhurcaliteHide

Other Language Names for PhurcaliteHide

Simplified Chinese:束磷钙铀矿
Spanish:Nisaita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Autunite6 photos of Phurcalite associated with Autunite on mindat.org.
Torbernite4 photos of Phurcalite associated with Torbernite on mindat.org.
Brochantite2 photos of Phurcalite associated with Brochantite on mindat.org.
Metatorbernite2 photos of Phurcalite associated with Metatorbernite on mindat.org.
Haiweeite1 photo of Phurcalite associated with Haiweeite on mindat.org.
Smoky Quartz1 photo of Phurcalite associated with Smoky Quartz on mindat.org.
Quartz1 photo of Phurcalite associated with Quartz on mindat.org.
Uranophane1 photo of Phurcalite associated with Uranophane on mindat.org.
Malachite1 photo of Phurcalite associated with Malachite on mindat.org.
Pseudomalachite1 photo of Phurcalite associated with Pseudomalachite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.EC.05Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
8.EC.05PhuralumiteAl2(UO2)3(PO4)3(OH)2 · 13H2OMon.
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.10Kivuite(Th,Ca,Pb)(UO2)4(HPO4)2(OH)8 · 7H2O
8.EC.10Phosphuranylite(H3O)3KCa(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)3(PO4)2(OH)4 · 3H2OMon. 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.20VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.
8.EC.20ArsenovanmeersscheiteU4+(UO2)3(AsO4)2(OH)2 · 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.40BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b

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.
19.11.18Phosphuranylite(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
19.11.36ParsonsitePb2(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)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.

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 PhurcaliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Deliens, M. & P. Piret (1978): La phurcalite, Ca2(UO2)3(PO4)2(OH)4 · 4 H2O, nouveau mineral.- Bulletin de Minéralogie: 101: 356-358.
American Mineralogist (1978): 63: 1283.
Piret, P. & Declercq, J.-P. (1978): Phurcalite. Acta Crystallogr. B34, 1677-1679.
American Mineralogist (1979): 64: 243.
Atencio, D., Neumann, R., Silva, A.J.G.C., and Mascarenhas, Y.P. (1991): Phurcalite from Perus, São Paulo, Brazil, and redetermination of its crystal structure. Canadian Mineralogist 29, 95-105.
American Mineralogist (1992): 77: 213.
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.
Guang Fan, Apeng Yu, Xiangkun Ge, Likui Ma, and Quantao Wang (2014): Mineralogy of phurcalite discovered for the first time in China. Acta Petrologica et Mineralogica 33(1), 95-101 (in Chinese with English abstract).

Internet Links for PhurcaliteHide

Localities for PhurcaliteHide

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.
Argentina
 
  • Catamarca
O. Morello y C. N. Reyes Encinas (1990). Estudio mineralógico de nueve muestras procedentes de la Sierra de Fiambalá, dpto. Tinogasta, Catamarca. Informe DEE N° 33-90, Comisión Nacional de Energía Atómica. Inédito.
O. Morello y C. N. Reyes Encinas (1990). Estudio mineralógico de nueve muestras procedentes de la Sierra de Fiambalá, dpto. Tinogasta, Catamarca. Informe DEE N° 33-90, Comisión Nacional de Energía Atómica. Inédito.
M. E. Saulnier y F. Greco (1988). Estudio mineralógico de cuatro muestras procedentes de la Manifestación Las Termas del área de Los Ratones, Fiambalá, Tinogasta, Catamarca. Informe DEE N° 1-88, Comisión Nacional de Energía Atómica. Inédito.
Australia
 
  • Queensland
    • Cloncurry Shire
      • Cloncurry
Australian Journal of Mineralogy 9(1):48
  • South Australia
    • Olary Province
      • Radium Hill area
The mines & minerals of the Olary province of S.A. - Radium Hill & New Luxemburg Mining Areas. K.R. Kakoschke & G.L. Francis. Self Published.
Austria
 
  • Carinthia
    • Millstatt lake ridge
      • Fresach
        • Laas
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Brazil
 
  • São Paulo
    • São Paulo
Atencio, D.E.A. (1991). "Phurcalite from Perus Sao Paulo Brazil and redetermination of its crystal structure." Canadian Mineralogist, 29(1),pp:95-106.; D Atencio & R Hypolito ()Fosfatos e silicatos secunderos de uranio de Perus, Sao Paulo
Fosfatos e Silicatos Secundários de Urânio de Perus, São Paulo - Atencio, Daniel and Hypolito, Raphael - Revista Brasileira de Geociências, março de 1994
Chile
 
  • Atacama Region
    • Copiapó Province
      • Quebrada San Miguel
Maurizio Dini collection
      • Zapallar district
samples analysed by Gerhard Mohn and Joy Desor
        • Los Azules area
A.Molina & M. Dini collections - based on analysis.
China
 
  • Guangdong Province
    • Shaoguan Prefecture
      • Wengyuan Co.
        • Xiazhuang Uranium ore field (Xiwang Uranium ore field)
Guang Fan, Apeng Yu, Xiangkun Ge, Likui Ma, and Quantao Wang (2014): Acta Petrologica et Mineralogica 33(1), 95-101
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kambove District
      • Shinkolobwe
France
 
  • Nouvelle-Aquitaine
    • Corrèze
      • Davignac
Le Règne Minéral, Hors Série IV (1998), p. 48
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
        • Wittichen
Walenta (1994); Markl, G. & Slotta, C. (2011): Die Uranmineralien des Lagerstättenreviers Wittichen im mittleren Schwarzwald. Lapis 36 (3), 25-37; 54 (in German).
  • Bavaria
    • Lower Bavaria
      • Waldkirchen
        • Oberfrauenwald
Florian Wrobel specimen
      • Zwiesel
        • Pauliberg
http://www.mineralienatlas.de/lexikon/index.php/Deutschland/Bayern/Niederbayern/Bayerischer%20Wald/Zwiesel/Pauliberg
  • Saxony
    • Vogtland
      • Zobes-Bergen District
        • Bergen U deposit
          • Bergen
M. Deliens & P. Piret (1978) Bulletin de Minéralogie 101, 356-358
India
 
  • Rajasthan (Rajputana)
    • Udaipur Division
Saini, S. N.; Rahman, M.; Roy, M. K.; Singh, G. (2004): Uranium mineralisation in Lower Proterozoic basal quartzite of Putholi-Hamirgarh basin, Chittorgarh district, Rajasthan. Exploration and Research for Atomic Minerals 15, 147-153.
Singh, Yamuna; Singh, K. D. P.; Bhatt, A. K. (1999): Phurcalite: a rare secondary calcium uranium phosphate mineral from Putholi, Chittaurgarh district, Rajasthan. Journal of the Geological Society of India 53, 355-357.
Namibia
 
  • Erongo Region
    • Karibib District
E. Schnaitmann, F. Brandstätter, U. Kolitsch and G. Niedermayr (2008): Die „Gitterquarz“-Paragenese aus dem Erongo, Namibia. Mineralien-Welt 20 (1), 55-63.
Portugal
 
  • Portalegre District
    • Nisa
Luis Casinhas collection
  • Viseu District
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
César Menor-Salván
UK
 
  • England
    • Devon
      • Tavistock District
        • Whitchurch
Braitwaite, R., Paar, W., and Chisholm, J., 1989, Phurcalite from Dartmoor, Southwest England,and its Identity with 'Nisaite' from Portugal, Mineralogical Magazine, 53:583-589. Min.Rec.: 20(5):395.
USA
 
  • California
    • Kern Co.
      • Shale Hills
Braitwaite, R., Paar, W., and Chisholm, J., 1989, Phurcalite from Dartmoor, Southwest England,and its Identity with 'Nisaite' from Portugal, Mineralogical Magazine, 53:583-589.
      • Taft
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 329.
  • Nevada
    • Esmeralda Co.
Tony Nikischer
  • Utah
    • San Juan Co.
      • White Canyon District
        • Red Canyon
Min News 3:9 p5-6
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