Maghagendorfite Mineral Data

General Maghagendorfite Information

Chemical Formula:

NaMgMn(Fe++,Fe+++)2(PO4)3

Composition:

Molecular Weight = 498.84 gm

Sodium 4.61 % Na 6.21 % Na₂O

Magnesium 4.87 % Mg 8.08 % MgO

Manganese 11.01 % Mn 14.22 % MnO

Iron 22.39 % Fe 21.60 % FeO / 8.00 % Fe₂O₃

Phosphorus 18.63 % P 42.68 % P₂O₅

Oxygen 38.49 % O

______ ______

100.00 % 100.80 % = TOTAL OXIDE

Empirical Formula:

NaMgMn²⁺Fe²⁺_1.5Fe³⁺_0.5(PO₄)₃

IMA Status:

Approved IMA 1979

Locality:

Dyke Lode, Custer, South Dakota, USA. Link to MinDat.org Location Data.

Name Origin:

Named as MAGnesium hagendorfite.

Name Pronunciation:

Maghagendorfite + Pronunciation

Maghagendorfite Image

Images:

Maghagendorfite

Comments: BSE image of graftonite groundmass (Gft) with microgranules of maghagendorfite (Mhg), triphylite (Trp), ludlamite (Lud), and quartz (Qtz). (CanMin, v46:635).
Location: Brissago Granitic Pegmatites, Western Southern Alps, Canton Ticino, Switzerland. Scale: See Image.
© Canadian Mineralogist

Maghagendorfite Crystallography

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: I 2₁/a

Physical Properties of Maghagendorfite

Cleavage:

{???} Good

Color:

Greenish black.

Hardness:

3.5 - Copper Penny

Streak:

gray green

Optical Properties of Maghagendorfite

Optical Data:

Calculated Properties of Maghagendorfite

Fermion Index:

Fermion Index = 0.0098038659
Boson Index = 0.9901961341

Photoelectric:

PE_{Maghagendorfite}= 10.63 barns/electron
U=PE_{Maghagendorfite} x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Maghagendorfite is Not Radioactive

Maghagendorfite Classification

Dana Class:

38.02.03.04 (38)Anhydrous Phosphates, etc

(38.02)(A+ B++)5 (XO4)3

(38.02.03)Alluaudite-Wyllieite Group (Alluaudite Subgroup)

38.02.03.01 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.02 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

38.02.03.03 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

38.02.03.04 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.05 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

38.02.03.06 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

38.02.03.07 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

38.02.03.08 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

38.02.03.09 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

38.02.03.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

38.02.03.11 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

38.02.03.12 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m

Strunz Class:

08.AC.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.A - Phosphates, etc. without additional anions, without H2O

08.AC -With medium-sized and large cations

08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m

08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m

08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m

08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

Other Maghagendorfite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Maghagendorfite :
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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Maghagendorfite

NaMgMn(Fe++,Fe+++)2(PO4)3
Dana No: 38.02.03.04 Strunz No: 08.AC.10
Locality:

Notes:

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