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Creaseyite

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Big Photo

Su Elzu, Ozieri, Sassari Province, Sardinia, Italy
© Enrico Bonacina

Show Creaseyite Photos (39)



Formula:
Cu
 
2
Pb
 
2
(Fe,Al)
 
2
Si
 
5
O
 
17
 · 6H
 
2
O
System:Orthorhombic


Visually very similar to green-coloured minerals of the Mixite Group, especially Agardite.

Classification of Creaseyite

IMA status:Approved 1974
Strunz 8th edition ID:8/D.21-20
Nickel-Strunz 10th (pending) edition ID:9.HH.15

9 : SILICATES (Germanates)
H : Unclassified silicates
H : With Pb
Dana 8th edition ID:78.7.2.1

78 : Unclassified Silicates
7 :
Hey's CIM Ref.:14.13.10

14 : Silicates not Containing Aluminum
13 : Silicates of Pb
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Type Occurrence of Creaseyite

Type Locality:Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
Year of Discovery:1975

Crystallography of Creaseyite

Crystal System:Orthorhombic
Cell Parameters:a = 12.48Å, b = 21.39Å, c = 7.28Å
Ratio:a:b:c = 0.583 : 1 : 0.34
Unit Cell Volume:V 1,943.38 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°
Maximum Birefringence:δ = 0.031

Chart 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:
Cu
 
2
Pb
 
2
(Fe,Al)
 
2
Si
 
5
O
 
17
 · 6H
 
2
O
Essential elements:Cu, Fe, H, O, Pb, Si
All elements listed in formula:Al, Cu, Fe, H, O, Pb, Si
Common Impurities:Al,Zn

Relationship of Creaseyite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.HH.05Macquartite
Pb
 
3
Cu(CrO
 
4
)(SiO
 
3
)(OH)
 
4
 · 2H
 
2
O
9.HH.10Luddenite
Cu
 
2
Pb
 
2
Si
 
5
O
 
14
 · 4H
 
2
O
9.HH.20Plumbotsumite
Pb
 
13
(CO
 
3
)
 
6
(Si
 
10
O
 
27
) · 3H
 
2
O
9.HH.25Molybdophyllite
Pb
 
2
Mg
 
2
Si
 
2
O
 
7
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
14.13.1Alamosite
Pb
 
12
[Si
 
12
O
 
36
]
14.13.2Plumbotsumite
Pb
 
13
(CO
 
3
)
 
6
(Si
 
10
O
 
27
) · 3H
 
2
O
14.13.3Luddenite
Cu
 
2
Pb
 
2
Si
 
5
O
 
14
 · 4H
 
2
O
14.13.4Molybdophyllite
Pb
 
2
Mg
 
2
Si
 
2
O
 
7
(OH)
 
2
14.13.5Margarosanite
Pb(Ca,Mn
2+
 
)
 
2
(Si
 
3
O
 
9
)
14.13.6Ganomalite
Pb
 
9
Ca
 
5
Mn(Si
 
2
O
 
7
)
 
4
(SiO
 
4
)O
14.13.7Kentrolite
Pb
 
2
Mn
3+
2
(Si
 
2
O
 
7
)O
 
2
14.13.8Barysilite
Pb
 
8
Mn
2+
 
[Si
 
2
O
 
7
]
 
3
14.13.9Melanotekite
Pb
 
2
Fe
3+
2
(Si
 
2
O
 
7
)O
 
2

Other Names for Creaseyite

Synonyms:
IMA1974-044
Other Languages:
German:Creaseyit
Spanish:Creaseyita

Other Information

Health Warning: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.

Internet Links for Creaseyite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Creaseyite details from Handbook of Mineralogy (PDF)
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    • Specimens:The following Creaseyite specimens are currently listed for sale on minfind.com.
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    • Localities for Creaseyite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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
      • Iquique 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
      • 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
    		Minerals of South Africa
    UK
     
    • Scotland
      • Dumfries & Galloway (Dumfries-shire)
        • Wanlockhead
    		 Creaseyite From Wanlockhead, Dumfries And Galloway,Scotland. UK Journal of Mines and Minerals (2009) Number30, PP13-14
    S.Rust Collection
    USA
     
    • 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.
        • 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.
      • 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 Brent Thorne and EDS confirmed by Bob Housley; American Mineralogist, Volume 94, pages 1198–1204, 2009
    Collected by and in the collection of Brent Thorne. EDS confirmed by Bob Housley.
    Collected by and in the collection of Brent Thorne.
    • 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.
        • Eldorado Mountains
    		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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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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