Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Sieleckiite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Mount Oxide Copper mine, Mount Gordon, Gunpowder District, Mount Isa - Cloncurry area, Queensland, Australia
© Brent Thorne

Show Sieleckiite Photos (6)



Formula:
Cu
 
3
Al
 
4
(PO
 
4
)
 
2
(OH)
 
12
 · 2H
 
2
O
System:TriclinicColour:Blue
Hardness:3
Name:For Australian geologist, Robert Sielecki (b.1958), who found the mineral.
This page provides mineralogical data about Sieleckiite.

Classification of Sieleckiite

IMA status:Approved 1987
Strunz 8th edition ID:7/D.23-10
Nickel-Strunz 10th (pending) edition ID:8.DF.25

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
F : With only medium-sized cations, (OH,etc.):RO4 > 3:1
Dana 8th edition ID:42.13.12.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
Hey's CIM Ref.:19.2.9

19 : Phosphates
2 : Phosphates of Cu
mindat.org URL:http://www.mindat.org/min-3656.html
Please feel free to link to this page.

Type Occurrence of Sieleckiite

Type Locality:Mount Oxide Copper mine, Mount Gordon, Gunpowder District, Mount Isa - Cloncurry area, Queensland, Australia
Year of Discovery:1987

Physical Properties of Sieleckiite

Colour:Blue
Streak:Light blue
Hardness (Mohs):3

Crystallography of Sieleckiite

Crystal System:Triclinic
Cell Parameters:a = 9.41Å, b = 7.56Å, c = 5.95Å
α = 90.25°, β = 91.27°, γ = 104.02°
Ratio:a:b:c = 1.245 : 1 : 0.787
Unit Cell Volume:V 410.55 ų (Calculated from Unit Cell)

Optical Data of Sieleckiite

Type:Biaxial
RI values: nα = 1.630 nγ = 1.660
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:relatively strong

Chemical Properties of Sieleckiite

Formula:
Cu
 
3
Al
 
4
(PO
 
4
)
 
2
(OH)
 
12
 · 2H
 
2
O
Essential elements:Al, Cu, H, O, P
All elements listed in formula:Al, Cu, H, O, P

Relationship of Sieleckiite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DF.05Hotsonite
Al
 
11
(SO
 
4
)
 
3
(PO
 
4
)
 
2
(OH)
 
21
 · 16H
 
2
O
8.DF.10Bolivarite
Al
 
2
(PO
 
4
)(OH)
 
3
 · 4-5H
 
2
O
8.DF.10Evansite
Al
 
3
(PO
 
4
)(OH)
 
6
 · 6H
 
2
O
8.DF.10Liskeardite
(Al,Fe
3+
 
)
 
3
(AsO
 
4
)(OH)
 
6
 · 5H
 
2
O
8.DF.10Rosièresite
(Pb, Cu, Al, P, O, H)
8.DF.15Rusakovite
(Fe
3+
 
,Al)
 
5
(VO
 
4
,PO
 
4
)
 
2
(OH)
 
9
 · 3H
 
2
O
8.DF.20Liroconite
Cu
 
2
Al(AsO
 
4
)(OH)
 
4
 · 4H
 
2
O
8.DF.30Chalcophyllite
Cu
 
18
Al
 
2
(SO
 
4
)
 
3
(AsO
 
4
)
 
3
(OH)
 
27
 · 33H
 
2
O
8.DF.35Parnauite
Cu
 
9
(AsO
 
4
)
 
2
(SO
 
4
)(OH)
 
10
 · 7H
 
2
O
8.DF.40Gladiusite
Fe
 
2
(Fe,Mg)
 
4
(PO
 
4
)(OH)
 
11
(H
 
2
O)
Related Minerals - Hey's Index Grouping:

- +
19.2.1Libethenite
Cu
 
2
(PO
 
4
)(OH)
19.2.2Cornetite
Cu
 
3
(PO
 
4
)(OH)
 
3
19.2.3Reichenbachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.4Ludjibaite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.5Pseudomalachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.6Nissonite
Cu
 
2
Mg
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · 5H
 
2
O
19.2.7Zapatalite
Cu
 
3
Al
 
4
(PO
 
4
)
 
3
(OH)
 
9
 · 4H
 
2
O
19.2.8Turquoise
Cu(Al,Fe
3+
 
)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.10Planerite
Al
 
6
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
(OH)
 
8
 · 4 H
 
2
O
19.2.11Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
19.2.13Chalcosiderite
Cu(Fe
3+
 
,Al)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.14Phosphofibrite
K
 
<0.5
(Fe
3+
 
,Cu)
 
8
(PO
 
4
)
 
6
(OH)
 
7
 · 7H
 
2
O

Other Names for Sieleckiite

Synonyms:
IMA1987-023
Other Languages:
German:Sieleckiit
Spanish:Sieleckiita

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 Sieleckiite

Reference List:

- +
Mineralogical Magazine (1988): 52: 515-518.

American Mineralogist (1989): 74: 1401.

Internet Links for Sieleckiite

Search Engines:
  • Look for Sieleckiite on Google
  • Look for Sieleckiite images on Google
    • External Links:
  • Look for Sieleckiite on Webmineral
  • Look for Sieleckiite on Athena Mineralogy
  • Look for Sieleckiite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Sieleckiite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Search for - Sieleckiite - on e-Rocks Mineral Sales & Auctions
  • Search for minerals at Heliodor
  • Wilensky Fine Minerals
  • Buy RARE Minerals from Rocks of Africa
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • webminerals
  • Find Sieleckiite on www.crystalclassics.co.uk
  • rare and unusual minerals mainly crystallized
  • Buy from David K Joyce minerals
  • Buy minerals from YourMineralCollection
  • Fine Minerals from Weinrich Minerals, Inc.
  • Sieleckiite specimens for sale - minfind.com
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Sieleckiite

    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.
    Australia
     
    • New South Wales
      • Canbelego Co.
        • Gidalambone
          • Girilambone
    		Chapman, J. R., Sharpe, J. L. and Williams, P. A. (2005): The copper deposits at Girilambone, New South Wales. Australian Journal of Mineralogy, 11, 91-99.
    • Queensland
      • Mount Isa - Cloncurry area
        • Gunpowder District
          • Mount Gordon
    		MM 1988, 515-8; Day, B. E. & Beyer, B. D. (1996): Some mines of the Mt Isa district. Part 3 - The Mt Oxide mine. Australian J. of Mineralogy 2 (1), 3-10.
    UK
     
    • England
      • Cornwall
        • Camborne - Redruth - St Day District
          • Gwennap
            • St Day United Mines (Poldice Mines)
    		M Rumsey & G Cressey (2010) The first confirmed British occurrence of sieleckiite. Russell Soc Jnl v13
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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.
    Current server date and time: 11th Oct 2012 15:15:15
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds