Mineralogy Database

Maricite Mineral Data

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General Maricite Information

Help on Chemical  Formula: Chemical Formula: NaFe++PO4
Help on Composition: Composition: Molecular Weight = 173.81 gm
   Sodium      13.23 %  Na   17.83 % Na2O
   Iron        32.13 %  Fe   41.34 % FeO
   Phosphorus  17.82 %  P    40.83 % P2O5
   Oxygen      36.82 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaFe2+(PO4)
Help on Environment: Environment: In phosphatic nodules in sideritic ironstones.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: Big Fish River area, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Luka Maric (1899-?), Professor of Mineralogy and Petrology, University of Zagreb, Croatia.
Help on Name Pronunciation: Name Pronunciation: Maricite Say MARICITE
Help on Synonym: Synonym: ICSD 200111
  PDF 29-1216

Maricite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Maricite   Vivianite

Comments: Brown maricite nodule with internal radiating structure, with blue vivianite.
Location: Big Fish River, Yukon Territory, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maricite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7639:1:0.5612
Help on Cell Dimensions: Cell Dimensions: a = 6.867, b = 8.989, c = 5.045, Z = 4; V = 311.42 Den(Calc)= 3.71
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.574(1), 2.729(0.9), 2.707(0.8),

Physical Properties of Maricite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Gray, Gray white, Light brown.
Help on Density: Density: 3.66
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Maricite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1859,KPDmeas= 0.1884,KC= 0.1863
Ncalc = 1.68 - 1.69
Help on Optical Data: Optical Data: Biaxial (-), a=1.676, b=1.695, g=1.698, bire=0.0220, 2V(Calc)=42, 2V(Meas)=43.

Calculated Properties of Maricite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Maricite =3.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0069885986
Boson Index = 0.9930114014
Help on Photoelectric: Photoelectric: PEMaricite = 10.72 barns/electron
U=PEMaricite x rElectron Density= 38.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Maricite is Not Radioactive

Maricite Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.01)A+ B++ XO4
  (38.01.02)Dana Group Maricite NaFePO4 Pmnb 2/m 2/m 2/m Buchwaldite NaCaPO4 P mn21 mm2
Help on  Strunz Class: Strunz Class: 08.AC.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
08.AC.20 Maricite NaFePO4 Pmnb 2/m 2/m 2/m

Other Maricite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Maricite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 08.AC.20





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