Jeanbandyite Mineral Data

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General Jeanbandyite Information

Chemical Formula:

(Fe+++,Mn++)Sn++++(OH)6

Composition:

Molecular Weight = 247.09 gm

Manganese 4.45 % Mn 5.74 % MnO

Iron 15.82 % Fe 22.62 % Fe₂O₃

Tin 38.43 % Sn 48.79 % SnO₂

Hydrogen 2.45 % H 21.87 % H₂O

Oxygen 38.85 % O

______ ______

100.00 % 99.03 % = TOTAL OXIDE

Empirical Formula:

Fe³⁺_0.7Mn²⁺_0.2Sn_0.8(OH)₆

Environment:

Oxide zone of polymetallic hydrothermal deposits epitaxially overgrown on wickmanite or natanite.

IMA Status:

Approved IMA 1982

Locality:

Llallagua, Bolivia. Link to MinDat.org Location Data.

Name Origin:

Named for Jean A. Bandy, Wickenburg, Arizona, USA, who, with her husband Mark Bandy, translated Agricola's "De Natura Fossilium" from original Latin.

Name Pronunciation:

Jeanbandyite + Pronunciation

Synonym:

ICSD 27661

PDF 35-663

Jeanbandyite Image

Images:

Jeanbandyite

Comments: Yellowish brown translucent microcrystal of jeanbandyite on mineral encrusted fluorite.
Location: Mount Pleasant Tin Mine, New Brunswick, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jeanbandyite Crystallography

Axial Ratios:

a:c = 1:1

Cell Dimensions:

a = 7.648, c = 7.648, Z = 4; V = 447.35 Den(Calc)= 3.67

Crystal System:

Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4₁/n

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

By Intensity(I/I_o): 3.83(1), 2.71(0.7), 1.71(0.6),

Crystal Structure:

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Morgenstern-Badarau I , Michel A , Journal of Inorganic and Nuclear Chemistry , 38 (1976) p.1400-1402, Sur l existence d un oxyhydroxyde double de fer(III) et d etain(IV), Locality: synthetic

Physical Properties of Jeanbandyite

Cleavage:

{001} Good, {100} Fair

Color:

Brown orange, Red brown, Pale yellow.

Density:

4.41

Diaphaneity:

Transparent to Translucent

Habit:

Crystalline - Coarse - Occurs as well-formed coarse sized crystals.

Habit:

Pseudo Octohedral - Crystals show an octohedral outline.

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

3.5 - Copper Penny

Luster:

Vitreous - Adamantine

Streak:

light yellow

Optical Properties of Jeanbandyite

Gladstone-Dale:

CI meas= 0.165 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2275,KPDmeas= 0.1893,KC= 0.2267
Ncalc = 1.83 - 2

Optical Data:

Uniaxial (-), e=1.833, w=1.837, bire=0.0040.

Calculated Properties of Jeanbandyite

Electron Density:

Bulk Density (Electron Density)=3.48 gm/cc
note: Specific Gravity of Jeanbandyite =3.67 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Jeanbandyite= 117.67 barns/electron
U=PE_Jeanbandyite x rElectron Density= 409.68 barns/cc.

Radioactivity:

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

Jeanbandyite Classification

Dana Class:

06.03.07.03 (06)Hydroxides and Oxides Containing Hydroxyl

(06.03)with (OH)3 or (OH)6 groups

(06.03.07)Wickmanite group (Tetragonal: P42/n)

06.03.07.01 Stottite FeGe(OH)6 P 4₁/n 4/m

06.03.07.02 Tetrawickmanite MnSn(OH)6 P 4₁/n 4/m

06.03.07.03 Jeanbandyite (Fe,Mn)Sn(OH)6 P 4₁/n 4/m

06.03.07.04 Mopungite NaSb(OH)6 P 4₁/n 4/m

Strunz Class:

04.FC.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.F - Hydroxides (without V or U)

04.FC -Hydroxides with OH, without H2O; corner-sharing octahedra

04.FC.15 Jeanbandyite (Fe,Mn)Sn(OH)6 P 4₁/n 4/m

04.FC.15 Mopungite NaSb(OH)6 P 4₁/n 4/m

04.FC.15 Stottite FeGe(OH)6 P 4₁/n 4/m

04.FC.15 Tetrawickmanite MnSn(OH)6 P 4₁/n 4/m

Other Jeanbandyite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Jeanbandyite :
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 Jeanbandyite Specimen Label here :

Jeanbandyite

(Fe+++,Mn++)Sn++++(OH)6
Dana No: 06.03.07.03 Strunz No: 04.FC.15
Locality:

Notes: