Oxiberaunite Mineral Data

Oxiberaunite Mineral Data

General Oxiberaunite Information

Chemical Formula:

(Fe+++,Mn+++)Fe+++5(PO4)4O(OH)4·6(H2O)

Composition:

Molecular Weight = 890.86 gm

Manganese 1.54 % Mn 2.22 % Mn₂O₃

Iron 36.05 % Fe 51.54 % Fe₂O₃

Phosphorus 13.91 % P 31.87 % P₂O₅

Hydrogen 1.81 % H 16.18 % H₂O

Oxygen 46.69 % O

______ ______

100.00 % 101.80 % = TOTAL OXIDE

Empirical Formula:

Fe³⁺_5.75Mn³⁺_0.25(PO₄)₄(OH)₄·6(H₂O)

IMA Status:

Not Approved IMA

Locality:

Link to MinDat.org Location Data.

Oxiberaunite Image

Images:

Oxiberaunite

Comments: Red-brown ball of radiating acicular oxiberaunite (eleonorite) microcrystals, on pegmatitic matrix.
Location: LCA Mine, Bessemer City, Gaston County, North Carolina, USA. Scale: Box size 3.18 cm x 3.18 cm.
© Richard Dale / Dale Minerals

Oxiberaunite Crystallography

Crystal System:

Monoclinic

Physical Properties of Oxiberaunite

Cleavage:

[???] Good

Color:

Brown red, Reddish brown.

Hardness:

3.5-4 - Copper Penny-Fluorite

Streak:

brownish red

Calculated Properties of Oxiberaunite

Fermion Index

Fermion Index = 0.00786
Boson Index = 0.99214

Photoelectric:

PE_Oxiberaunite= 11.73 barns/electron
U=PE_Oxiberaunite x r_electron= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Oxiberaunite is Not Radioactive

Oxiberaunite Classification

Dana Class:

37.0.0.0 (37)Phosphate Minerals

(37.0)Without Dana Classification Numbers

(Phosphate, Basic Hydrated)

Strunz Class:

VII/D.11-71 VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe

VII/D.11 - Strunzite series

VII/D.11-10 Ferrostrunzite FeFe2(PO4)2(OH)2·6(H2O) P 1,P1 Tri

VII/D.11-20 Strunzite MnFe2(PO4)2(OH)2·6(H2O) P1 1

VII/D.11-30 Ferristrunzite FeFe2(PO4)2(OH)3·5(H2O) P1,P 1 Tri

VII/D.11-40 Bermanite MnMn2(PO4)2(OH)2·4(H2O) P 2₁ 2

VII/D.11-50 Cacoxenite (Fe,Al)25(PO4)17O6(OH)12·75(H2O) P 6/mmm 6/m 2/m 2/m

VII/D.11-60 Tinticite Fe5(PO4,VO4)4·7(H2O) P1 1

VII/D.11-70 Beraunite FeFe5(PO4)4(OH)5·4(H2O) C 2/c 2/m

VII/D.11-71 Oxiberaunite (Fe,Mn)Fe5(PO4)4O(OH)4·6(H2O) Mono

VII/D.11-90 Souzalite (Mg,Fe)3(Al,Fe)4(PO4)4(OH)6·2(H2O) P1,P 1 Tri

VII/D.11-100 Gormanite Fe3Al4(PO4)4(OH)6·2(H2O) P1,P 1 Tri

VII/D.11-110 Dufrenite FeFe4(PO4)3(OH)5·2(H2O) C 2/c 2/m

VII/D.11-120 Burangaite (Na,Ca)2(Fe,Mg)2Al10(PO4)8(OH,O)12·4(H2O) C 2/c 2/m

VII/D.11-130 Natrodufrenite Na(Fe,Fe)(Fe,Al)5(PO4)4(OH)6·2(H2O) C 2/c 2/m

VII/D.11-135 Ercitite! Na(Mn,Fe)(PO4)(OH)·2(H2O) P 2₁/n 2/m

VII/D.11-140 Kidwellite Na(Fe,Cu)9x(PO4)6(OH)11·3(H2O) P 2/c 2/m

VII/D.11-150 Meurigite! KFe7(PO4)5(OH)7·8(H2O) C 2,Cm,C 2/m Mono

Other Oxiberaunite Information

See Also:

Links to other databases for Oxiberaunite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Oxiberaunite

(Fe+++,Mn+++)Fe+++5(PO4)4O(OH)4·6(H2O)
Dana No: Unknown Strunz No: VII/D.11-71
Locality:

Notes: