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Dickinsonite-(KNa) Mineral Data
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General Dickinsonite-(KNa) Information
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Chemical Formula: |
KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 |
Composition: |
Molecular Weight = 2,160.41 gm |
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Potassium 1.81 % K 2.18 % K2O |
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Sodium 4.26 % Na 5.74 % Na2O |
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Manganese 27.97 % Mn 36.12 % MnO |
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Aluminum 1.25 % Al 2.36 % Al2O3 |
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Iron 10.34 % Fe 13.30 % FeO |
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Phosphorus 17.20 % P 39.42 % P2O5 |
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Hydrogen 0.07 % H 0.63 % H2O |
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Oxygen 36.66 % O |
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Fluorine 0.44 % F 0.44 % F |
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- %
F -0.19 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
KNaMn2+Na3Mn2+7Fe2+4Mn2+3Al(PO4)11(PO4)(OH)1.5F0.5 |
Environment: |
Arrojadite group |
IMA Status: |
Approved IMA 2005 (Dana # Added) |
Locality: |
Branchville, Fairfield Co., Connecticut, USA Link to MinDat.org Location Data. |
Name Origin: |
Named after dickinsonite and site occupancy of the arrojadite-dickensonite structure. |
Name Pronunciation: |
Dickinsonite-(KNa) + Pronunciation |
Synonym: |
Dickinsonite |
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Dickinsonite-(KNa) Crystallography
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Crystal System: |
Monoclinic - Domatic H-M Symbol (m) Space Group: Cc |
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Optical Properties of Dickinsonite-(KNa)
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Optical Data: |
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Calculated Properties of Dickinsonite-(KNa)
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Fermion Index: |
Fermion Index = 0.0023703302 Boson Index = 0.9976296698 |
Photoelectric: |
PEDickinsonite-(KNa) = 11.45 barns/electron U=PEDickinsonite-(KNa) x relectron= . barns/cc. |
Radioactivity: |
GRapi = 25.05 (Gamma Ray American Petroleum Institute Units)
Concentration of Dickinsonite-(KNa) per GRapi unit = 3.99 (%)
Estimated Radioactivity from Dickinsonite-(KNa) - barely detectable
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Dickinsonite-(KNa) Classification
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Dana Class: |
41.07.02d.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.07)where (A B)m (XO4)4 Zq |
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(41.07.02d)Arrojadite Group (Ferri-arrojadite Subgroup) (Fe in Al site, OH in W site, Fe in M site) |
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41.07.02d.00 Dickinsonite? KNa4Ca(Mn,Fe)14Al(PO4)12(OH)2 Cc m |
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41.07.02d.01 Dickinsonite-(KMnNa)! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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41.07.02d.02 Dickinsonite-(KNaNa)! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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41.07.02d.03 Dickinsonite-(KNa)! KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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41.07.02d.04 Dickinsonite-(NaNa)! Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
Strunz Class: |
08.BF.05 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BF -With medium-sized and large cations, (OH, etc.):RO4 < 0.5:1 |
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08.BF.05 Arrojadite! KNa4CaMn4Fe10Al(PO4)12(OH,F)2 Cc m |
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08.BF.05 Dickinsonite! KNa4Ca(Mn,Fe)14Al(PO4)12(OH)2 Cc m |
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08.BF.05 Arrojadite-(BaFe)! (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Arrojadite-(KFe)! KNa2CaNa2(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Arrojadite-(NaFe)! NaNa2CaNa2(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Arrojadite-(SrFe)! SrFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Arrojadite-(KNa)! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Dickinsonite-(KNa)! KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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08.BF.05 Arrojadite-(PbFe)! PbFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Fluorarrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m |
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08.BF.05 Arrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m |
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08.BF.05 Fluorarrojadite-(KNa)! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m |
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08.BF.05 Fluorarrojadite-(BaFe)! (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(PO4)11(PO3OH)(F,OH)2 Cc m |
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08.BF.05 Ferri-arrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m |
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08.BF.05 Dickinsonite-(KMnNa)! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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08.BF.05 Dickinsonite-(KNaNa)! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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08.BF.05 Dickinsonite-(NaNa)! Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m |
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Other Dickinsonite-(KNa) Information
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References: |
NAME( AmMin, v91, p1266) |
See Also: |
Links to other databases for Dickinsonite-(KNa) :
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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Print or Cut-and-Paste your Dickinsonite-(KNa) Specimen Label here :
Dickinsonite-(KNa)
KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2
Dana No: 41.07.02d.03 Strunz No: 08.BF.05
Locality:
Notes:
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