Maricite Mineral Data (original) (raw)

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

IMA1976-024

PDF 29-1216

Maricite Image

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

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 - DipyramidalH-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),

Click Here for Large Maricite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
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| | Le Page Y , Donnay G , The Canadian Mineralogist , 15 (1977) p.518-521, The crystal structure of the new mineral maricite, NaFePO4 | | ------------------------------------------------------------------------------------------------------------------------------------- |

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:

38.01.02.01 (38)Anhydrous Phosphates, etc

(38.01)A+ B++ XO4

(38.01.02)Dana Group

38.01.02.01 Maricite NaFePO4 Pmnb 2/m 2/m 2/m

38.01.02.02 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
15 - WWW-MINCRYST

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Ask about Maricite here :
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Print or Cut-and-Paste your Maricite Specimen Label here :

Maricite

NaFe++PO4
Dana No: 38.01.02.01 Strunz No: 08.AC.20
Locality:

Notes: