Ferrohagendorfite Mineral Data

Ferrohagendorfite Mineral Data +

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.

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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

Calculated Properties of Ferrohagendorfite

Electron Density:

r_electron=3.69 gm/cc
note: r_{Ferrohagendorfite}=3.81 gm/cc.

Fermion Index

Fermion Index = 0.00724
Boson Index = 0.99276

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ferrohagendorfite is Not Radioactive

Ferrohagendorfite Classification

Dana Class:

38.2.3.1 (38)Anhydrous Phosphates, etc

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

(38.2.3)Alluaudite-Wyllieite Group (Alluaudite Subgroup)

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

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

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

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

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

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

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

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

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

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

Strunz Class:

VII/A.06-85 VII - Phosphates, Arsenates and Vanadates

VII/A - Waterfree phosphates [PO4]3- without unfamiliar anions, cations of medium and big size: Mg, Mn,Fe, Cu, Zn, and Ca, Na

VII/A.06 - Alluaudite- Hagendorfite group

VII/A.06-10 Qingheiite Na2(Mn,Mg,Fe)(Al,Fe)(PO4)3 P 2₁/n 2/m

VII/A.06-20 Bobfergusonite Na2Mn5FeAl(PO4)6 P 2₁/n 2/m

VII/A.06-30 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 P 2₁/n 2/m

VII/A.06-40 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 2₁/n 2/m

VII/A.06-50 Rosemaryite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 2₁/n 2/m

VII/A.06-60 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

VII/A.06-70 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

VII/A.06-80 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

VII/A.06-85 Ferrohagendorfite (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

VII/A.06-90 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

VII/A.06-100 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

VII/A.06-110 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m

VII/A.06-120 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/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 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas 10 -École des Mines de Paris

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Ferrohagendorfite

(Na,Ca)2Fe++(Fe++,Fe+++)2(PO4)3
Dana No: 38.2.3.1 Strunz No: VII/A.06-85
Locality:

Notes: