Mineralogy Database

Plimerite Mineral Data

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General Plimerite Information

Help on Chemical  Formula: Chemical Formula: ZnFe+++4(PO4)3(OH)5
Help on Composition: Composition: Molecular Weight = 658.73 gm
   Zinc         9.93 %  Zn   12.36 % ZnO
   Iron        33.91 %  Fe   48.48 % Fe2O3
   Phosphorus  14.11 %  P    32.32 % P2O5
   Hydrogen     0.77 %  H     6.84 % H2O
   Oxygen      41.29 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZnFe3+4(PO4)3(OH)5
Help on Environment: Environment: Rockbridgeite group. Zn-analogue of rockbridgeite and frondelite.
Help on IMA Status: IMA Status: Proposed IMA 2008 (Dana # Added)
Help on Locality: Locality: Broken Hill, New South Wales, Australia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2008-013

Plimerite Image

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Comments: Light olive green to dark green hemispheres and crusts of plimerite. From Author's study material.
Location: Broken Hill, Yancowinna Co, New South Wales, Australia. Scale: Size: Miniature.
© Tom Loomis / Dakota Matrix

Plimerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3722:1:1.2104
Help on Cell Dimensions: Cell Dimensions: a = 5.141, b = 13.811, c = 16.718, Z = 4; V = 1,187.02 Den(Calc)= 3.69
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.168(1), 2.575(0.9), 2.414(0.75),2.753(0.6), 3.369(0.55), 2.4(0.5), 3.388(0.5), 4.638(0.5),

Optical Properties of Plimerite

Help on Optical Data: Optical Data: NCalc= 1.94 - from Gladstone-Dale relationship (KC = 0.2546) where Ncalc=Dcalc*KC+1

Calculated Properties of Plimerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Plimerite =3.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPlimerite = 15.75 barns/electron
U=PEPlimerite x rElectron Density= 56.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plimerite is Not Radioactive

Plimerite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.09)where (A B)5 (XO4)3 Zq
  (41.09.02)Rockbridgeite Group Rockbridgeite (Fe,Mn)Fe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m Frondelite MnFe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m Plimerite! ZnFe4(PO4)3(OH)5 C mcm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.BC.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BC -With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
08.BC.10 Frondelite MnFe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m
08.BC.10 Rockbridgeite (Fe,Mn)Fe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m
08.BC.10 Plimerite! ZnFe4(PO4)3(OH)5 C mcm 2/m 2/m 2/m

Other Plimerite Information

Help on See Also: See Also: Links to other databases for Plimerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 08.BC.10





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