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About CreaseyiteHide

Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O
Crystal System:
Named in 1975 by Sidney A. Williams and Richard A. Bideaux for Dr. Saville Cyrus Creasey (17 July 1917, Portland, Oregon, USA - 19 December 2000) economic geologist, U.S. Geological Survey, in recognition of his geological studies on Arizona localities, particularly the Mammoth-St. Anthony mine.
Visually very similar to green-coloured minerals of the Mixite Group, especially Agardite.

Classification of CreaseyiteHide

Approval Year:

9 : SILICATES (Germanates)
H : Unclassified silicates
H : With Pb

78 : Unclassified Silicates
7 :

14 : Silicates not Containing Aluminum
13 : Silicates of Pb

Optical Data of CreaseyiteHide

Biaxial (+)
RI values:
nα = 1.737 nβ = 1.747 nγ = 1.768
Measured: 69° , Calculated: 70°
Max Birefringence:
δ = 0.031
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v moderate

Chemical Properties of CreaseyiteHide

Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O
IMA Formula:
Cu2Pb2Fe3+2Si5O17 · 6H2O
Common Impurities:

Crystallography of CreaseyiteHide

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cell Parameters:
a = 12.502(8) Å, b = 21.402(11) Å, c = 7.303(6) Å
a:b:c = 0.584 : 1 : 0.341
Unit Cell V:
1,954.05 ų (Calculated from Unit Cell)

Type Occurrence of CreaseyiteHide

Synonyms of CreaseyiteHide

Other Language Names for CreaseyiteHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
15 photos of Creaseyite associated with WulfenitePb(MoO4)
9 photos of Creaseyite associated with MimetitePb5(AsO4)3Cl
9 photos of Creaseyite associated with QuartzSiO2
7 photos of Creaseyite associated with FornacitePb2Cu(CrO4)(AsO4)(OH)
5 photos of Creaseyite associated with FluoriteCaF2
3 photos of Creaseyite associated with PhosphohedyphaneCa2Pb3(PO4)3Cl
3 photos of Creaseyite associated with JarositeKFe3+3(SO4)2(OH)6
2 photos of Creaseyite associated with DioptaseCuSiO3 · H2O
2 photos of Creaseyite associated with CerussitePbCO3
2 photos of Creaseyite associated with PyromorphitePb5(PO4)3Cl

Related Minerals - Nickel-Strunz GroupingHide

9.HH.10LuddeniteCu2Pb2Si5O14 · 4H2OMon.
9.HH.20PlumbotsumitePb13(CO3)6(Si10O27) · 3H2OOrth.
9.HH.25MolybdophyllitePb8Mg9[Si10O28(OH)8O2(CO3)3] · H2OMon. 2 : B2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.13.2PlumbotsumitePb13(CO3)6(Si10O27) · 3H2OOrth.
14.13.3LuddeniteCu2Pb2Si5O14 · 4H2OMon.
14.13.4MolybdophyllitePb8Mg9[Si10O28(OH)8O2(CO3)3] · H2OMon. 2 : B2
14.13.5MargarosanitePb(Ca,Mn2+)2(Si3O9)Tric. 1 : P1
14.13.7KentrolitePb2Mn3+2(Si2O7)O2Orth. mmm (2/m 2/m 2/m) : Pbcm
14.13.9MelanotekitePb2Fe3+2(Si2O7)O2Orth. 2 2 2 : C2 2 21

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 CreaseyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Williams, S.A. & R.A. Bideaux (1975), Creaseyite, Cu2Pb2(Fe,Al)2Si5O17·6H2O, a new mineral from Arizona and Sonora, Mineralogical Magazine: 40: 227-231.
American Mineralogist: 61: 503.
Malcherek, T., Köslin, B., Schlüter, J. (2013): The crystal structure of creaseyite: a disordered, nanoporous lead iron copper alumosilicate. Zeitschrift für Kristallographie, 228, 134-139.

Internet Links for CreaseyiteHide

Localities for CreaseyiteHide

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.
  • Tarapacá
    • Tamarugal Province
      • Camiña
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.;
  • Sardinia
    • Sassari Province
      • Ozieri
Olmi F., Sabelli C., Santucci, A., Brizzi, G. (1995): I silicati e i vanadati di Ozieri (SS). Rivista Mineralogica Italiana, 2/1995, 145-160
    • South Sardinia Province
      • Domusnovas
        • Oridda
Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010. Micro, 1/2011, 39 - 42.
  • Sonora
    • Navojoa Municipality
South Africa
  • Northern Cape
    • Namakwa
Minerals of South Africa
T. Q. Meyer, W. A. van der Westhuizen, G. J. Beukes, H. de Bruiyn and A. E. Schoch (1986) An Occurrence of the Hydrous Lead-Copper-Iron Silicate Creaseyite in South Africa. Mineralogical Magazine 50:346-348
  • Scotland
    • Dumfries and Galloway
      • Wanlockhead
Creaseyite From Wanlockhead, Dumfries And Galloway,Scotland. UK Journal of Mines and Minerals (2009) Number30, PP13-14
S.Rust Collection
  • Arizona
    • Gila Co.
      • Dripping Spring Mountains
        • Banner Mining District
          • Christmas
Raman analyzed at the University of Arizona.
    • Maricopa Co.
      • Osborn Mining District
        • Tonopah
          • Belmont Mountain
            • Tiger Wash
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 192; Allen, G.B. & W. Hunt (1988), The Tonopah-Belmont Mine, Maricopa Co., AZ, Min.Rec.: 19(3): 139-144.
Yang, H., Downs, R.T., Evans, S.H., Jenkins, R.A., Bloch, E.M. (2013): Rongibbsite, Pb2(Si4Al)O11(OH), a new zeolitic aluminosilicate mineral with an interrupted framework from Maricopa County, Arizona, U.S.A. American Mineralogist, 98, 236-241
      • Vulture Mining District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 192, 419; Williams, S.A. & R.A. Bideaux (1975), Creaseyite, Cu2Pb2(Fe,Al)2Si5O17·6H2O, a new mineral from Arizona and Sonora, Mineralogical Magazine: 40: 227-231.
      • White Picacho Mining District
Michael Shannon specimens at the 2018 Denver Coliseum Show
    • Mohave County
      • Artillery Mountains
        • Cleopatra Mining District
          • Kimble Mining Sub-District
            • Rawhide Wash
Personally collected by Jerry A. Baird in October 2011. PXRD identification on creaseyite by Tony Kampf.
        • Rawhide Wash
Michael Cline specimens
    • Pinal Co.
      • Mammoth Mining District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 192, 225, 252; Williams, S.A. & R.A. Bideaux (1975), Creaseyite, Cu2Pb2(Fe,Al)2Si5O17·6H2O, a new mineral from Arizona and Sonora, Mineralogical Magazine: 40: 227-231;
  • California
    • San Bernardino Co.
      • Silver Lake Mining District
        • Soda Mountains
          • Baker
Collected by and in the collection of Brent Thorne. EDS confirmed by Bob Housley.
Collected by and in the collection of Brent Thorne.
Collected by and in the collection of Brent Thorne.
Collected by and in the collection of Brent Thorne.
Collected by and in the collection of Brent Thorne.
Collected by and in the collection of Brent Thorne.
          • Zzyzx (Fort Soda; Soda; Soda Springs; Zzyzx Mineral Spring Resort)
Collected by Brent Thorne and EDS confirmed by Bob Housley; American Mineralogist, Volume 94, pages 1198–1204, 2009
  • Montana
    • Beaverhead Co.
      • Argenta Mining District
        • Argenta
          • Stapleton Gulch
    • Granite Co.
      • South Boulder Creek Mining District (Princeton Mining District)
Min News 20:6 pp11-12
  • Nevada
    • Clark Co.
      • Alunite Mining District
Robert M. Housley (2005) Recent rare mineral finds in southern California and Nevada desert mines. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.
      • Eldorado Mountains
NBMG Spec. Pub. 31 Minerals of Nevada
    • Esmeralda Co.
      • Gold Point Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Luna Co.
      • Cookes Peak Mining District
        • Old Hadley Mining District
Walstrom 2006 New Mexico Mineral Symposium abstracts
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