Ferrohagendorfite Mineral Data

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General Ferrohagendorfite Information

Chemical Formula:

(Na,Ca)2Fe++(Fe++,Fe+++)2(PO4)3

Composition:

Molecular Weight = 506.98 gm

Sodium 6.80 % Na 9.17 % Na₂O

Calcium 3.95 % Ca 5.53 % CaO

Iron 33.05 % Fe 35.43 % FeO / 7.87 % Fe₂O₃

Phosphorus 18.33 % P 42.00 % P₂O₅

Oxygen 37.87 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na_1.5Ca_0.5Fe²⁺_2.5Fe³⁺_0.5(PO₄)₃

Environment:

Complex granitic pegmatite.

IMA Status:

Not Approved IMA 1954

Locality:

Hagendorf, Barvaria, Germany. Link to MinDat.org Location Data.

Name Origin:

Named for the locality and the iron-rich end member of hagendorfite.

Name Pronunciation:

Ferrohagendorfite + Pronunciation

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Ferrohagendorfite Crystallography

Axial Ratios:

a:b:c =0.865:1:0.5158

Cell Dimensions:

a = 10.9, b = 12.6, c = 6.5, Z = 4; beta = 98° V = 884.02 Den(Calc)= 3.81

Crystal System:

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

Physical Properties of Ferrohagendorfite

Cleavage:

{???} Good

Color:

Greenish black.

Density:

3.4

Hardness:

5-5.5 - Apatite-Knife Blade

Optical Properties of Ferrohagendorfite

Optical Data:

NCalc= 1.75 - from Gladstone-Dale relationship (KC = 0.1973) where Ncalc=Dcalc*KC+1
NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.1973) where Ncalc=Dmeas*KC+1

Calculated Properties of Ferrohagendorfite

Electron Density:

Bulk Density (Electron Density)=3.69 gm/cc
note: Specific Gravity of Ferrohagendorfite =3.81 gm/cc.

Fermion Index:

Fermion Index = 0.0072410895
Boson Index = 0.9927589105

Photoelectric:

PE_{Ferrohagendorfite}= 11.41 barns/electron
U=PE_{Ferrohagendorfite} x rElectron Density= 42.09 barns/cc.

Radioactivity:

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

Ferrohagendorfite Classification

Dana Class:

38.02.03.01 (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 Ferrohagendorfite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(List of New Min. Names,28-33th,1974-1984)

See Also:

Links to other databases for Ferrohagendorfite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

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Ferrohagendorfite

(Na,Ca)2Fe++(Fe++,Fe+++)2(PO4)3
Dana No: 38.02.03.01 Strunz No: 08.AC.10
Locality:

Notes: