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Dickinsonite-(KMnNa) Mineral Data

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General Dickinsonite-(KMnNa) Information

Help on Chemical  Formula: Chemical Formula: KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2
Help on Composition: Composition: Molecular Weight = 2,117.87 gm
   Potassium    0.92 %  K     1.11 % K2O
   Barium       0.06 %  Ba    0.07 % BaO
   Sodium       6.27 %  Na    8.46 % Na2O
   Strontium    0.21 %  Sr    0.24 % SrO
   Lithium      0.10 %  Li    0.22 % Li2O
   Calcium      0.97 %  Ca    1.35 % CaO
   Magnesium    0.07 %  Mg    0.11 % MgO
   Titanium     0.02 %  Ti    0.04 % TiO2
   Manganese   25.16 %  Mn   32.49 % MnO
   Aluminum     1.16 %  Al    2.19 % Al2O3
   Zinc         0.03 %  Zn    0.04 % ZnO
   Iron        10.05 %  Fe   12.62 % FeO /  0.34 % Fe2O3
   Silicon      0.01 %  Si    0.03 % SiO2
   Phosphorus  17.58 %  P    40.28 % P2O5
   Hydrogen     0.10 %  H     0.93 % H2O
   Lead         0.10 %  Pb    0.11 % PbO
   Oxygen      37.15 %  O
   Fluorine     0.03 %  F     0.03 % F
                 -   %   F    -0.01 % -O=F2    
              ______        ______ 
              100.00 %      100.64 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.5Na5.78Ca0.51Sr0.05Ba0.01Pb0.01Mn2+9.7Fe2+3.72Li0.31Mg0.06Zn0.01Al0.91Fe3+0.09 Ti0.01(OH)1.97F0.03P12.02Si0.01O47(OH)0.21
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Branchville, Fairfield Co., Connecticut, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after dickinsonite and site occupancy of the arrojadite-dickensonite structure.
Help on Name Pronunciation: Name Pronunciation: Dickinsonite-(KMnNa) + Pronunciation Say DICKINSONITE-(KMNNA)
Help on Synonym: Synonym: Dickinsonite
  IMA2005-048
 

Dickinsonite-(KMnNa) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.6522:1:2.4625
Help on Cell Dimensions: Cell Dimensions: a = 16.69, b = 10.1013, c = 24.8752, Z = 4; beta = 105.616° V = 4,038.93 Den(Calc)= 3.48
Help on Crystal System: Crystal System: Monoclinic - Domatic H-M Symbol (m) Space Group: Cc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.0623(1), 3.0646(1), 2.7299(0.891),2.7304(0.891), 3.2447(0.327), 2.7785(0.286), 2.5702(0.27), 5.9715(0.268), 2.7875(0.266),
 

Physical Properties of Dickinsonite-(KMnNa)

Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Dickinsonite-(KMnNa)

Help on Optical Data: Optical Data: NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.1931) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Dickinsonite-(KMnNa)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.35 gm/cc
note: Specific Gravity of Dickinsonite-(KMnNa) =3.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0029922499
Boson Index = 0.9970077501
Help on Photoelectric: Photoelectric: PEDickinsonite-(KMnNa) = 12.78 barns/electron
U=PEDickinsonite-(KMnNa) x relectron= 42.76 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 12.82 (Gamma Ray American Petroleum Institute Units)
Concentration of Dickinsonite-(KMnNa) per GRapi unit = 7.80 (%)

Estimated Radioactivity from Dickinsonite-(KMnNa) - barely detectable

 

Dickinsonite-(KMnNa) Classification

Help on  Dana Class: Dana Class: 41.07.02d.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.07)where (A B)m (XO4)4 Zq
  (41.07.02d)Arrojadite Group (Ferri-arrojadite Subgroup) (Fe in Al site, OH in W site, Fe in M site)
 
41.07.02d.00 Dickinsonite? KNa4Ca(Mn,Fe)14Al(PO4)12(OH)2 Cc m
 
41.07.02d.01 Dickinsonite-(KMnNa)! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
41.07.02d.02 Dickinsonite-(KNaNa)! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
41.07.02d.03 Dickinsonite-(KNa)! KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
41.07.02d.04 Dickinsonite-(NaNa)! Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
Help on  Strunz Class: Strunz Class: 08.BF.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BF -With medium-sized and large cations, (OH, etc.):RO4 < 0.5:1
 
08.BF.05 Arrojadite! KNa4CaMn4Fe10Al(PO4)12(OH,F)2 Cc m
 
08.BF.05 Dickinsonite! KNa4Ca(Mn,Fe)14Al(PO4)12(OH)2 Cc m
 
08.BF.05 Arrojadite-(BaFe)! (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Arrojadite-(KFe)! KNa2CaNa2(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Arrojadite-(NaFe)! NaNa2CaNa2(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Arrojadite-(SrFe)! SrFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Arrojadite-(KNa)! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Dickinsonite-(KNa)! KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
08.BF.05 Arrojadite-(PbFe)! PbFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Fluorarrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m
 
08.BF.05 Arrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 Cc m
 
08.BF.05 Fluorarrojadite-(KNa)! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m
 
08.BF.05 Fluorarrojadite-(BaFe)! (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(PO4)11(PO3OH)(F,OH)2 Cc m
 
08.BF.05 Ferri-arrojadite-(BaNa)! BaFeNa2Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 Cc m
 
08.BF.05 Dickinsonite-(KMnNa)! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
08.BF.05 Dickinsonite-(KNaNa)! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 
08.BF.05 Dickinsonite-(NaNa)! Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 Cc m
 

Other Dickinsonite-(KMnNa) Information

Help on References: References: NAME( AmMin, v91, p1266) PHYS. PROP.(AmMin, v91, p1249)
Help on See Also: See Also: Links to other databases for Dickinsonite-(KMnNa) :
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-(KMnNa) Specimen Label here :

Dickinsonite-(KMnNa)

KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2
Dana No: 41.07.02d.01 Strunz No: 08.BF.05
Locality:

 

Notes:

 

 
   
 


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