Schoonerite Mineral Data

Schoonerite Mineral Data +

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General Schoonerite Information

Chemical Formula:

Fe++2ZnMnFe+++(PO4)3(OH)2·9(H2O)

Composition:

Molecular Weight = 768.94 gm

Manganese 7.14 % Mn 9.23 % MnO

Zinc 8.50 % Zn 10.58 % ZnO

Iron 21.79 % Fe 18.69 % FeO / 10.38 % Fe₂O₃

Phosphorus 12.08 % P 27.69 % P₂O₅

Hydrogen 2.62 % H 23.43 % H₂O

Oxygen 47.86 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺₂ZnMn²⁺Fe³⁺(PO₄)₃(OH)₂·9(H₂O)

Environment:

Found in an alteration assemblege.

IMA Status:

Approved IMA 1977

Locality:

Palermon No. 1 mine, North Groton, New Hampshire, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Richard Schooner (1925-), mineral collector, Connecticut, USA.

Synonym:

ICSD 100035

PDF 29-709

Schoonerite Image

Images:

Schoonerite Ernstite

Comments: 1 mm honey brown, acicular, radial sprays of ernstite with light green fibrous schoonerite and apatite in siderite.
Location: White Cap mine, Pennington County., South Dakota. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Images:

Schoonerite

Comments: Dark crystals of schoonerite on matrix.
Location: Hagendorf, Bavaria, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Schoonerite Crystallography

Axial Ratios:

a:b:c =0.4352:1:0.2519

Cell Dimensions:

a = 11.119, b = 25.546, c = 6.437, Z = 4; V = 1,828.40 Den(Calc)= 2.79

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmab

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 12.77(1), 2.768(0.9), 8.35(0.7),

Crystal Structure:

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Kampf A R , American Mineralogist , 62 (1977) p.250-255, Schoonerite: its atomic arrangement

Physical Properties of Schoonerite

Cleavage:

[010] Perfect, [001] Good

Color:

Bronze, Brown, Yellow brown, Light yellow brown.

Density:

2.87 - 2.92, Average = 2.89

Habit:

Rosette - Bundled tabular aggregates resembling rose flower petals.

Hardness:

4 - Fluorite

Streak:

light brown

Optical Properties of Schoonerite

Optical Data:

Biaxial (-), a=1.618, b=1.652, g=1.682, bire=0.0640, 2V(Calc)=84, 2V(Meas)=70-80.

Calculated Properties of Schoonerite

Electron Density:

r_electron=2.77 gm/cc
note: r_Schoonerite=2.79 gm/cc.

Fermion Index

Fermion Index = 0.00833
Boson Index = 0.99167

Photoelectric:

PE_Schoonerite= 12.90 barns/electron
U=PE_Schoonerite x r_electron= 35.76 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Schoonerite is Not Radioactive

Schoonerite Classification

Dana Class:

42.8.3.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.8)where (AB)7 (XO4)4 Zq · x(H2O)

(42.8.3)Dana Group

42.8.3.1 Schoonerite Fe2ZnMnFe(PO4)3(OH)2·9(H2O) Pmab 2/m 2/m 2/m

Strunz Class:

VII/D.03-30 VII - Phosphates, Arsenates and Vanadates

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

VII/D.03 - Giniite - Schoonerite series

VII/D.03-05 Gladiusite! Fe2(Fe,Mg)4(PO4)(OH)13·H2O P 2₁/n 2/m

VII/D.03-10 Giniite FeFe4(PO4)4(OH)2·2(H2O) P 2/a 2/m

VII/D.03-15 Kaluginite* (Mn,Ca)MgFe(PO4)2(OH)·4(H2O) C cca 2/m 2/m 2/m

VII/D.03-20 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3·9(H2O) Pmna 2/m 2/m 2/m

VII/D.03-30 Schoonerite Fe2ZnMnFe(PO4)3(OH)2·9(H2O) Pmab 2/m 2/m 2/m

Other Schoonerite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Schoonerite :
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

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Schoonerite

Fe++2ZnMnFe+++(PO4)3(OH)2·9(H2O)
Dana No: 42.8.3.1 Strunz No: VII/D.03-30
Locality:

Notes: