Sieleckiite Mineral Data + Say SIELECKIITE


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General Sieleckiite Information

Help on Chemical  Formula: Chemical Formula: Cu3Al4(PO4)2(OH)12·2(H2O)
Help on Composition: Composition: Molecular Weight = 728.63 gm
   Aluminum    14.81 %  Al   27.99 % Al2O3
   Copper      26.16 %  Cu   32.75 % CuO
   Phosphorus   8.50 %  P    19.48 % P2O5
   Hydrogen     2.21 %  H    19.78 % H2O
   Oxygen      48.31 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu3Al4(PO4)2(OH)12·2(H2O)
Help on Environment: Environment: Oxidation zone of massive pyrite enriched with Cu.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Mt. Oxide Cu mine, 150 km N of Mt. Isa, Queensland, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Robert Sielecki (1958-), Australian geologist.
 

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Sieleckiite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2447:1:0.787
Help on Cell Dimensions: Cell Dimensions: a = 9.41, b = 7.56, c = 5.95, Z = 1; alpha = 90.25°, beta = 91.27°, gamma = 104.02° V = 410.57 Den(Calc)= 2.95
Help on Crystal System: Crystal System: TriclinicSpace Group: P1 or P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.852(1), 5.036(1), 9.12(1),
 

Physical Properties of Sieleckiite

Help on Cleavage: Cleavage: None
Help on Color: Color: Sky blue, Royal blue.
Help on Density: Density: 3.02
Help on Diaphaniety: Diaphaniety: Translucent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Pearly
Help on Streak: Streak: light blue
 

Optical Properties of Sieleckiite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2186,KPDmeas= 0.2136,KC= 0.2165
Help on Optical Data: Optical Data: Biaxial (?), a=1.63, g=1.66, bire=0.0300
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): pale blue.
Help on Pleochroism (z): Pleochroism (z): pale blue.
 

Calculated Properties of Sieleckiite

Help on Electron Density: Electron Density:

relectron=2.92 gm/cc
note: rSieleckiite =2.95 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00023
Boson Index = 0.99977
Help on Photoelectric: Photoelectric:

PESieleckiite = 12.02 barns/electron
U=PESieleckiite x relectron= 35.15 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Sieleckiite is Not Radioactive

 

Sieleckiite Classification

Help on  Dana Class: Dana Class: 42.13.12.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.12)Dana Group
 
42.13.12.1 Sieleckiite Cu3Al4(PO4)2(OH)12·2(H2O) P1 or P1 Tri
Help on  Strunz Class: Strunz Class: VII/D.23-10 VII - Phosphates, Arsenates and Vanadates
  VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe
  VII/D.23 - Sieleckiite - Liskeardite series
 
VII/D.23-10 Sieleckiite Cu3Al4(PO4)2(OH)12·2(H2O) P1 or P1 Tri
 
VII/D.23-20 Rosieresite (Pb,Cu,Al)(PO4)x·n(H2O) None
 
VII/D.23-30 Evansite Al3(PO4)(OH)6·6(H2O)(?) None
 
VII/D.23-40 Liskeardite (Al,Fe)3(AsO4)(OH)6·5(H2O) Unk Ortho
 

Other Sieleckiite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Sieleckiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Sieleckiite Specimen Label here :

Sieleckiite

Cu3Al4(PO4)2(OH)12·2(H2O)
Dana No: 42.13.12.1 Strunz No: VII/D.23-10
Locality:

 

Notes:

 

 
   
 
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