Wiserite Mineral Data (original) (raw)

General Wiserite Information

Help on Chemical Formula: Chemical Formula:

Mn4B2O5(OH,Cl)4

Help on Composition: Composition:

Molecular Weight = 398.62 gm

Manganese 55.13 % Mn 71.18 % MnO

Boron 5.42 % B 17.46 % B2O3

Hydrogen 0.88 % H 7.91 % H2O

Chlorine 4.45 % Cl 4.45 % Cl

- % Cl -1.00 % -O=Cl2

Oxygen 34.12 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Mn2+4B2O5(OH)3.5Cl0.5

Help on Environment: Environment:

Accessory mineral in stratiform manganese deposits.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1845

Help on Locality: Locality:

Gonzen mine, near Sargans, St. Gallen, Switzerland. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for David Friedrich Wiser (1802-1878), Swiss mineralogist who first analyzed the mineral.

Help on Name Pronunciation: Name Pronunciation:

Wiserite Say WISERITE

Help on Synonym: Synonym:

ICSD 203150

PDF 45-1470

Wiserite Image

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Wiserite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:0.16249

Help on Cell Dimensions: Cell Dimensions:

a = 20.192, c = 3.281, Z = 7; V = 1,337.72 Den(Calc)= 3.46

Help on Crystal System: Crystal System:

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

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 14.4(1), 2.66(0.8), 6.42(0.8),

Click Here for Large Wiserite Structure Window Crystal Structure:

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| | Pertlik F , Dunn P J , American Mineralogist , 74 (1989) p.1351-1354, Crystal structure of wiserite | | ------------------------------------------------------------------------------------------------------ |

Physical Properties of Wiserite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

White, Brownish, Reddish, Pinkish brown.

Help on Density: Density:

3.42 - 3.54, Average = 3.48

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Hardness: Hardness:

2.5 - Finger Nail

Help on Luster: Luster:

Vitreous - Silky

Help on Streak: Streak:

white

Optical Properties of Wiserite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.038 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.033 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2116,KPDmeas= 0.2103,KC= 0.2187
Ncalc = 1.75 - 1.77

Help on Optical Data: Optical Data:

Uniaxial (-), e=1.7-1.717, w=1.751-1.76, bire=0.0430-0.0510.

Calculated Properties of Wiserite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.30 gm/cc
note: Specific Gravity of Wiserite =3.46 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEWiserite = 14.65 barns/electron
U=PEWiserite x rElectron Density= 48.31 barns/cc.

Help on Radioactivity: Radioactivity:

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

Wiserite Classification

Help on Dana Class: Dana Class:

27.01.10.01 (27)Compound Borates

(27.01)Dana Type

(27.01.10)Dana Group

27.01.10.01 Wiserite Mn4B2O5(OH,Cl)4 P 4/n 4/m

Help on Strunz Class: Strunz Class:

06.BA.20 06 - BORATES

06.B - Diborates

06.BA -Neso-diborates with double triangles B2(O,OH)5; 2(2D); 2(2D) + OH, etc.

06.BA.20 Wiserite Mn4B2O5(OH,Cl)4 P 4/n 4/m

Other Wiserite Information

Help on References: References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Wiserite :
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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Ask about Wiserite here :
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Print or Cut-and-Paste your Wiserite Specimen Label here :

Wiserite

Mn4B2O5(OH,Cl)4
Dana No: 27.01.10.01 Strunz No: 06.BA.20
Locality:

Notes: