Schoonerite Mineral Data

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.

Name Pronunciation:

Schoonerite + Pronunciation

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:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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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

Gladstone-Dale:

CI meas= 0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2332,KPDmeas= 0.2248,KC= 0.2331
Ncalc = 1.65 - 1.68

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:

Bulk Density (Electron Density)=2.77 gm/cc
note: Specific Gravity of Schoonerite =2.79 gm/cc.

Fermion Index:

Fermion Index = 0.0083394742
Boson Index = 0.9916605258

Photoelectric:

PE_Schoonerite= 12.90 barns/electron
U=PE_Schoonerite x rElectron Density= 35.76 barns/cc.

Radioactivity:

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

Schoonerite Classification

Dana Class:

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

(42.08)where (AB)7 (XO4)4 Zq · x(H2O)

(42.08.03)Dana Group

42.08.03.01 Schoonerite Fe2ZnMnFe(PO4)3(OH)2•9(H2O) Pmab 2/m 2/m 2/m

Strunz Class:

08.DB.15 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1

08.DB.15 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 - 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
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Schoonerite Specimen Label here :

Schoonerite

Fe++2ZnMnFe+++(PO4)3(OH)2•9(H2O)
Dana No: 42.08.03.01 Strunz No: 08.DB.15
Locality:

Notes: