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Creaseyite

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Formula:
Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O
System:
Orthorhombic
Visually very similar to green-coloured minerals of the Mixite Group, especially Agardite.

Classification of Creaseyite

Approved 1974
9.HH.15

9 : SILICATES (Germanates)
H : Unclassified silicates
H : With Pb
78.7.2.1

78 : Unclassified Silicates
7 :
14.13.10

14 : Silicates not Containing Aluminum
13 : Silicates of Pb
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http://www.mindat.org/min-1149.html
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Type Occurrence of Creaseyite

Year of Discovery:
1974

Crystallography of Creaseyite

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

Optical Data of Creaseyite

Type:
Biaxial (+)
RI values:
nα = 1.737 nβ = 1.747 nγ = 1.768
2V:
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:
High
Dispersion:
r > v moderate

Chemical Properties of Creaseyite

Formula:
Pb2Cu2Fe23+(Si4.67Al0.33)O15.33(OH)3 · H2O
Essential elements:
All elements listed in formula:
Common Impurities:
Al,Zn

Relationship of Creaseyite to other Species

9.HH.05MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2
9.HH.10LuddeniteCu2Pb2Si5O14 · 4H2O
9.HH.20PlumbotsumitePb13(CO3)6(Si10O27) · 3H2O
9.HH.25MolybdophyllitePb8Mg9[Si10O28(OH)8|O2|(CO3)3] · H2O
14.13.1AlamositePb12[Si12O36]
14.13.2PlumbotsumitePb13(CO3)6(Si10O27) · 3H2O
14.13.3LuddeniteCu2Pb2Si5O14 · 4H2O
14.13.4MolybdophyllitePb8Mg9[Si10O28(OH)8|O2|(CO3)3] · H2O
14.13.5MargarosanitePb(Ca,Mn2+)2(Si3O9)
14.13.6GanomalitePb9Ca5Mn(Si2O7)4(SiO4)O
14.13.7KentrolitePb2Mn23+(Si2O7)O2
14.13.8BarysilitePb8Mn2+[Si2O7]3
14.13.9MelanotekitePb2Fe23+(Si2O7)O2

Other Names for Creaseyite

Name in Other Languages:
German:Creaseyit
Spanish:Creaseyita

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 Creaseyite

Reference List:
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 Creaseyite

Localities for Creaseyite

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.
Chile
 
  • Tarapacá Region
    • El Tamarugal Province
      • Pampa del Tamarugal
        • Camiña
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.; http://www.lrz-muenchen.de/~mineralogische-sammlungen-dmg/analysen/creaseyite.htm
Italy
 
  • Sardinia
    • Carbonia-Iglesias Province
      • Domusnovas
        • Oridda
Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010. Micro, 1/2011, 39 - 42.
    • 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
Mexico
 
  • Sonora
    • Mun. de Navojoa
South Africa
 
  • Northern Cape Province
    • Namakwa District (Namaqualand)
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
UK
 
  • Scotland
    • Dumfries & Galloway (Dumfriesshire)
      • Wanlockhead
Creaseyite From Wanlockhead, Dumfries And Galloway,Scotland. UK Journal of Mines and Minerals (2009) Number30, PP13-14
S.Rust Collection
USA
 
  • Arizona
    • Gila Co.
      • Dripping Spring Mts
        • Banner District
          • Christmas area
            • Christmas
Raman analyzed at the University of Arizona.
    • Maricopa Co.
      • Big Horn Mts
        • Osborn 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.
Ron Layton
      • Vulture Mts
        • Vulture 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, Min.Mag.: 40: 227-231.
    • Mohave Co.
      • Artillery Mts
        • Rawhide Wash
Michael Cline specimens
      • Cleopatra District
        • Kimble Sub-District
          • Rawhide Wash
Personally collected by Jerry A. Baird in October 2011. PXRD identification on creaseyite by Tony Kampf.
    • Pinal Co.
      • Mammoth 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, Min.Mag.: 40: 227-231;
  • California
    • San Bernardino Co.
      • 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.
      • Soda Lake Mts
        • Baker
Collected by Brent Thorne and EDS confirmed by Bob Housley; American Mineralogist, Volume 94, pages 1198–1204, 2009
  • Montana
    • Beaverhead Co.
      • Argenta District
        • Argenta
          • Stapleton Gulch
http://www.mineralnews.com/MinNews/MN18-2.html
    • Granite Co.
      • South Boulder Creek District (Princeton District)
Min News 20:6 pp11-12
  • Nevada
    • Clark Co.
      • Alunite 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 Mts
NBMG Spec. Pub. 31 Minerals of Nevada
    • Esmeralda Co.
      • Gold Point District
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Luna Co.
      • Cooks Peak District (Cooke's Peak District)
        • Old Hadley (Graphic) Mining District
Walstrom 2006 New Mexico Mineral Symposium abstracts
Mineral and/or Locality  
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