Paceite Mineral Data (original) (raw)

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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Help on Above

| | 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: