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Plimerite Mineral Data
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General Plimerite Information
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 Chemical Formula: |
ZnFe+++4(PO4)3(OH)5 |
| Composition: |
Molecular Weight = 658.73 gm |
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Zinc 9.93 % Zn 12.36 % ZnO |
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Iron 33.91 % Fe 48.48 % Fe2O3 |
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Phosphorus 14.11 % P 32.32 % P2O5 |
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Hydrogen 0.77 % H 6.84 % H2O |
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Oxygen 41.29 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
ZnFe3+4(PO4)3(OH)5 |
| Environment: |
Rockbridgeite group. Zn-analogue of rockbridgeite and frondelite. |
| IMA Status: |
Proposed IMA 2008 (Dana # Added) |
| Locality: |
Broken Hill, New South Wales, Australia Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
| Synonym: |
IMA2008-013 |
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Plimerite Image |
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Images:
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Plimerite
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 |
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Plimerite Crystallography
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| Axial Ratios: |
a:b:c =0.3722:1:1.2104 |
| Cell Dimensions: |
a = 5.141, b = 13.811, c = 16.718, Z = 4; V = 1,187.02 Den(Calc)= 3.69 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mcm |
| 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), |
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Optical Properties of Plimerite
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| Optical Data: |
NCalc= 1.94 - from Gladstone-Dale relationship (KC = 0.2546) where Ncalc=Dcalc*KC+1
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Calculated Properties of Plimerite
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| Electron Density: |
Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Plimerite =3.69 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEPlimerite = 15.75 barns/electron
U=PEPlimerite x rElectron Density= 56.46 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plimerite is Not Radioactive |
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Plimerite Classification
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| Dana Class: |
41.09.02.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.09)where (A B)5 (XO4)3 Zq |
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(41.09.02)Rockbridgeite Group |
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41.09.02.01 Rockbridgeite (Fe,Mn)Fe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m |
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41.09.02.02 Frondelite MnFe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m |
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41.09.02.03 Plimerite! ZnFe4(PO4)3(OH)5 C mcm 2/m 2/m 2/m |
| Strunz Class: |
08.BC.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BC -With only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1 |
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08.BC.10 Frondelite MnFe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m |
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08.BC.10 Rockbridgeite (Fe,Mn)Fe4(PO4)3(OH)5 Bbmm 2/m 2/m 2/m |
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08.BC.10 Plimerite! ZnFe4(PO4)3(OH)5 C mcm 2/m 2/m 2/m |
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Other Plimerite Information
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| 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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Mineral Discussion Forum from Fabre Minerals - also available in
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Print or Cut-and-Paste your Plimerite Specimen Label here :
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Plimerite
ZnFe+++4(PO4)3(OH)5
Dana No: 41.09.02.03 Strunz No: 08.BC.10
Locality:
Notes:
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