Paceite Mineral Data

Paceite Mineral Data
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General Paceite Information

Help on Chemical Formula: Chemical Formula: CaCu(CH3COO)4•6(H2O)
Help on Composition: Composition: Molecular Weight = 447.89 gm
   Calcium    8.95 %  Ca
   Copper    14.19 %  Cu
   Hydrogen   5.40 %  H
   Carbon    21.45 %  C
   Oxygen    50.01 %  O
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: CaCuC8H12O8•6(H2O)
Help on Environment: Environment: Secondary mineral in a gossen in contact with decaying leaf litter.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Potosi open pit, Broken Hill, New South Wales, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frank L Pace (1948-), who discovered the mineral.
Help on Synonym: Synonym: IMA2001-030
 

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Paceite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.45549
Help on Cell Dimensions: Cell Dimensions: a = 11.155, c = 16.236, Z = 4; V = 2,020.31 Den(Calc)= 1.47
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 4/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.896(1)(110), 3.5(0.2)(310,204,312), 5.586(0.15)(200),8.132(0.08)(002), 9.297(0.06)(101), 2.497(0.04), 3.042(0.03),
Click Here for Large Paceite Structure Window Crystal Structure:

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Klop E A , Duisenberg A J M , Spek A L , Acta Crystallographica, Section C , 39 (1983) p.1342-1344, Reinvestigation of the structure of calcium copper acetate hexahydrate,, CaCu(C2H3O2)4*6H2O

 

Physical Properties of Paceite

Help on Cleavage: Cleavage: {100} Perfect, {110} Perfect
Help on Color: Color: Dark blue.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Water Soluble - Water soluble mineral.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Paceite

Help on Optical Data: Optical Data: Uniaxial (+), w=1.439, e=1.482, bire=0.0430.
 

Calculated Properties of Paceite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.53 gm/cc
note: Specific Gravity of Paceite =1.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0027288095
Boson Index = 0.9972711905
Help on Photoelectric: Photoelectric: PEPaceite = 7.01 barns/electron
U=PEPaceite x rElectron Density= 10.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paceite is Not Radioactive
 

Paceite Classification
Help on Dana Class: Dana Class: 50.02.07.02 (50)Salts of Organic Acids
  (50.02)(Mellitates, Citrates, Cyanates, and Acetates)
  (50.02.07)Hoganite Group
 
50.02.07.01 Hoganite! Cu(CH3COO)2•H2O C 2/c 2/m
 
50.02.07.02 Paceite! CaCu(CH3COO)4•6(H2O) I 4/m 4/m
Help on Strunz Class: Strunz Class: 10.AA.30 10 - ORGANIC COMPOUNDS
  10.A - Salts of Organic Acids
  10.AA -Formates, Acetates, etc.
 
10.AA.30 Paceite! CaCu(CH3COO)4•6(H2O) I 4/m 4/m
 

Other Paceite Information
Help on References: References: NAME( AmMin, Vol 88, p 476) PHYS. PROP.(AmMin, Vol 88, p 476) OPTIC PROP.(AmMin, Vol 88, p 476)
Help on See Also: See Also: Links to other databases for Paceite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Paceite

CaCu(CH3COO)4•6(H2O)
Dana No: 50.02.07.02 Strunz No: 10.AA.30
Locality:

 

Notes: