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Coconinoite

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Formula:
Fe23+Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O
System:
Monoclinic
Colour:
Pale creamy yellow
Name:
For Coconino county, Arizona.
This page provides mineralogical data about Coconinoite.

Classification of Coconinoite

Approved 1965
8.EB.35

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
B : UO2:RO4 = 1:1
43.5.5.1

43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.20

22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
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Type Occurrence of Coconinoite

Year of Discovery:
1965
Geological Setting of Type Material:
In seams 1 mm or less thick, mostly along bedding planes of a light-colored, arkosic, fine-grained, poorly sorted & thinly bedded sandstone.

Physical Properties of Coconinoite

Diaphaneity (Transparency):
Translucent
Colour:
Pale creamy yellow
Comment:
Soft
Density:
2.70 g/cm3 (Measured)    2.68 g/cm3 (Calculated)

Crystallography of Coconinoite

Crystal System:
Monoclinic
Cell Parameters:
a = 12.45(6) Å, b = 12.96(3) Å, c = 17.22(5) Å
β = 105.7°
Ratio:
a:b:c = 0.961 : 1 : 1.329
Unit Cell Volume:
V 2,674.82 ų (Calculated from Unit Cell)
Morphology:
Lathlike to platy grains, microcrystalline aggregates, seams, crusts.
Comment:
Tentative cell (from Belova et al., 1993); probable space group: C2/c or Cc.

Optical Data of Coconinoite

Type:
Biaxial (-)
RI values:
nα = 1.550 nβ = 1.588 nγ = 1.590
2V:
Measured: 28° to 43°, Calculated: 24°
Max Birefringence:
δ = 0.040
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v strong
Pleochroism:
Visible
Comments:
X= colorless
Y=Z= pale yellow

Chemical Properties of Coconinoite

Formula:
Fe23+Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2O
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Cr

Relationship of Coconinoite to other Species

8.EB.05AutuniteCa(UO2)2(PO4)2 · 11H2O
8.EB.05HeinrichiteBa(UO2)2(AsO4)2 · 10H2O
8.EB.05KahleriteFe(UO2)2(AsO4)2 · 12H2O
8.EB.05Nováčekite-IMg(UO2)2(AsO4)2 · 12H2O
8.EB.05SaléeiteMg(UO2)2(PO4)2 · 10H2O
8.EB.05TorberniteCu(UO2)2(PO4)2 · 12H2O
8.EB.05UranocirciteBa(UO2)2(PO4)2 · 10H2O
8.EB.05UranospiniteCa(UO2)(AsO4)2 · 10H2O
8.EB.05Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O
8.EB.05ZeuneriteCu(UO2)2(AsO4)2 · 12H2O
8.EB.05MetarauchiteNi(UO2)2(AsO4)2 · 8H2O
8.EB.05RauchiteNi(UO2)2(AsO4)2 · 10H2O
8.EB.10BassetiteFe2+(UO2)2(PO4)2 · 8H2O
8.EB.10LehneriteMn2+(UO2)2(PO4)2 · 8H2O
8.EB.10Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
8.EB.10MetasaléeiteMg(UO2)2(PO4)2 · 8H2O
8.EB.10Metauranocircite-IBa(UO2)2(PO4)2 · 7H2O
8.EB.10MetauranospiniteCa(UO2)2(AsO4)2 · 8H2O
8.EB.10MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
8.EB.10MetakahleriteFe2+(UO2)2(AsO4)2 · 8H2O
8.EB.10MetakirchheimeriteCo(UO2)2(AsO4)2 · 8H2O
8.EB.10MetanováčekiteMg(UO2)2(AsO4)2 · 4-8H2O
8.EB.10MetatorberniteCu(UO2)2(PO4)2 · 8H2O
8.EB.10MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
8.EB.10PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2O
8.EB.10Meta-lodèvite
8.EB.15AbernathyiteK2(UO2)2(AsO4)2 · 6H2O
8.EB.15Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
8.EB.15Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
8.EB.15Natrouranospinite(Na2,Ca)(UO2)2(AsO4)2 · 5H2O
8.EB.15Trögerite(UO2)3(AsO4)2 · 12H2O (?)
8.EB.15Uramphite(NH4)2(UO2)2(PO4)2 · 6H2O
8.EB.15Uramarsite(NH4,H3O)2(UO2)2(AsO4,PO4)2 · 6H2O
8.EB.20ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2O
8.EB.20ChistyakovaiteAl(UO2)2(AsO4)2(F,OH) · 6.5H2O
8.EB.25ArsenuranospathiteHAl(UO2)4(AsO4)4 · 40H2O
8.EB.25Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)
8.EB.30Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O
8.EB.40RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2O
8.EB.45TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2O
8.EB.50FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2O
8.EB.55SabugaliteHAl(UO2)4(PO4)4 · 16H2O
22.3.1ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2O
22.3.2ArdealiteCa2(HPO4)(SO4) · 4H2O
22.3.3Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2O
22.3.4ClinotyroliteCa2Cu9(AsO4,SO4)4(OH,O)10 · 10H2O
22.3.5PeisleyiteNa2Al9[(P,S)O4]8(OH)6•28H2O
22.3.6ChalcophylliteCu18Al2(SO4)3(AsO4)3(OH)27 · 33H2O
22.3.7WoodhouseiteCaAl3(PO4)(SO4)(OH)6
22.3.8Schlossmacherite(H3O)Al3(SO4)2(OH)6
22.3.9SvanbergiteSrAl3(PO4)(SO4)(OH)6
22.3.10KemmlitziteSrAl3(AsO4)(SO4)(OH)6
22.3.11SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
22.3.12KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
22.3.13HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2O
22.3.14WeileriteBaAl3(AsO4)(SO4)(OH)6
22.3.15TsumebitePb2Cu(PO4)(SO4)(OH)
22.3.16ArsentsumebitePb2Cu(AsO4)(SO4)(OH)
22.3.17HinsdalitePbAl3(PO4)(SO4)(OH)6
22.3.18HidalgoitePbAl3(AsO4)(SO4)(OH)6
22.3.19Orpheite
22.3.21Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O
22.3.22Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2O
22.3.23CorkitePbFe3(PO4)(SO4)(OH)6
22.3.24BeudantitePbFe3(AsO4)(SO4)(OH)6
22.3.25DiadochiteFe23+(PO4)(SO4)(OH) · 5H2O
22.3.26SarmientiteFe23+(AsO4)(SO4)(OH) · 5H2O
22.3.27BukovskýiteFe23+(AsO4)(SO4)(OH) · 9H2O
22.3.28ZýkaiteFe43+(AsO4)3(SO4)(OH) · 15H2O
22.3.29TooeleiteFe63+(As3+O3)4(SO4)(OH)4 · 4H2O
22.3.30Pitticite(Fe, SO4, AsO4, H2O) ?
22.3.31Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2O

Other Names for Coconinoite

Name in Other Languages:
German:Coconinoit
Spanish:Coconinoita

Other Information

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 Coconinoite

Reference List:
Young, E. J., Weeks, A. D. & Meyrowitz, R. (1966): Coconinoite, a new mineral from Utah and Arizona. American Mineralogist 51, 651-663.

Belova, L. N.; Gorshkov, A. I.; Doinikova, O. A.; Mokhov, A. V.; Trubkin, N. V.; Sivtsov, A. V. (1993): New data on coconinoite. Doklady Akademii Nauk 329, 772-775. (In Russian.)

Internet Links for Coconinoite

Localities for Coconinoite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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.
Italy
 
  • Sardinia
    • Cagliari Province
      • Capoterra
Lecca G., Ciriotti M.E., Blass G., Callegari A.M. and Boiocchi M. (2011): - Primo ritrovamento europeo di coconinoite. Micro, 9,73-77.
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
      • Les Marécottes
- Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
USA
 
  • Arizona
    • Apache Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 180; Young, E.J., et al (1966), Coconinoite, a new uranium mineral from UT and AZ, Am.Min.: 51: 651-663.
    • Coconino Co.
      • Cameron District
        • Cameron
          • Huskon Mines
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 180; Young, E.J., et al (1966), Coconinoite, a new uranium mineral from Utah and Arizona, Am.Min.: 51: 651-663.
      • Vermillion Cliffs District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 180; Young, E.J., et al (1966), Coconinoite, a new uranium mineral from Utah and Arizona, Am.Min.: 51: 651-663.
  • New Hampshire
    • Grafton Co.
      • Grafton
Young, E., Weeks, A., and Meyrowitz,R., 1966, Coconinoite, A New Uranium Mineral from Utah and Arizona, Am Min v 51:651-663
  • Utah
    • San Juan Co.
      • White Canyon District
        • White Canyon
Am Min 51: 651-663; Min Rec 30 pp231-238
Handbook of Mineralogy
Uzbekistan
 
Belova, L. N.; Gorshkov, A. I.; Doinikova, O. A.; Mokhov, A. V.; Trubkin, N. V.; Sivtsov, A. V. (1993): New data on coconinoite. Doklady Akademii Nauk 329, 772-775 [Mineral.]. (In Russian.) ; Handbook of Mineralogy
Mineral and/or Locality  
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