Maricite Mineral Data + 
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Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows
- 38.1.2.1 Maricite NaFePO4 Pmnb 2/m 2/m 2/m
- 38.1.2.2 Buchwaldite NaCaPO4 P mn21 mm2
- VII/A.02-05 Simferite Li(Mg,Fe,Mn)2(PO4)2 Pbnm,Pbn21 Ortho
- VII/A.02-10 Triphylite LiFePO4 Pbnm 2/m 2/m 2/m
- VII/A.02-20 Lithiophilite LiMnPO4 Pmnb 2/m 2/m 2/m
- VII/A.02-30 Ferrisicklerite Li(Fe,Mn)PO4 Pmnb 2/m 2/m 2/m
- VII/A.02-40 Sicklerite Li(Mn,Fe)PO4 Pmnb 2/m 2/m 2/m
- VII/A.02-50 Heterosite FePO4 Pmnb 2/m 2/m 2/m
- VII/A.02-60 Purpurite MnPO4 Pmnb 2/m 2/m 2/m
- VII/A.02-70 Maricite NaFePO4 Pmnb 2/m 2/m 2/m
- VII/A.02-80 Natrophilite NaMnPO4 Pnam 2/m 2/m 2/m
General Maricite Information |
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 Chemical Formula: |
NaFe++PO4 | ||
| 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 | |||
| Empirical Formula: |
NaFe2+(PO4) | ||
| IMA Status: |
Approved IMA 1977 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 200111 | ||
| IMA1976-024 | |||
| PDF 29-1216 | |||
Maricite Image | |||
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Images:
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Maricite Crystallography |
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| Axial Ratios: |
a:b:c =0.7639:1:0.5612 | ||
| Cell Dimensions: |
a = 6.867, b = 8.989, c = 5.045, Z = 4; V = 311.42 Den(Calc)= 3.71 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnb | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.574(1), 2.729(0.9), 2.707(0.8), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Maricite |
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| Cleavage: |
None | ||
| Color: |
Colorless, Gray, Gray white, Light brown. | ||
| Density: |
3.66 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Hardness: |
4-4.5 - Between Fluorite and Apatite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Maricite |
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| 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 |
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| 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 |
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| Electron Density: |
relectron=3.59 gm/cc |
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| Fermion Index |
Fermion Index = 0.00698 Boson Index = 0.99302 |
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| Photoelectric: |
PEMaricite = 10.72 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Maricite is Not Radioactive |
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Maricite Classification |
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| Dana Class: |
38.1.2.1 (38)Anhydrous Phosphates, etc | ||
| (38.1)A+ B++ XO4 | |||
| (38.1.2)Dana Group | |||
| Strunz Class: |
VII/A.02-70 VII - Phosphates, Arsenates and Vanadates | ||
| VII/A - Waterfree phosphates [PO4]3- without unfamiliar anions. cations of medium size: Mostly Fe, Mn | |||
| VII/A.02 - Simferrite - Natrophilite series | |||
Other Maricite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Maricite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Maricite using: Visit our Advertisers for Maricite : Translate Maricite Mineral Data : Ask about Maricite here : Print or Cut-and-Paste your Maricite Specimen Label here :
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