Kanemite Mineral Data (original) (raw)

General Kanemite Information

Help on Chemical Formula: Chemical Formula:

NaHSi2O5•3(H2O)

Help on Composition: Composition:

Molecular Weight = 214.21 gm

Sodium 10.73 % Na 14.47 % Na2O

Silicon 26.22 % Si 56.10 % SiO2

Hydrogen 3.29 % H 29.44 % H2O

Oxygen 59.75 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

NaHSi2O5•3(H2O)

Help on Environment: Environment:

In evaporites in an interdunary depression (Andjia, Chad).

Help on IMA Status: IMA Status:

Approved IMA 1972

Help on Locality: Locality:

In the Kanem region, near Andjia, Chad. From Lake Bogoria, Rift Valley, Kenya. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after Kanem, a region on the northeastern edge of Lake Chad, Chad, where the mineral was discovered.

Help on Name Pronunciation: Name Pronunciation:

Kanemite Say KANEMITE

Kanemite Image

Click Here for Larger Kanemite Image in a New Browser Window Images:

Kanemite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.2412:1:0.3548

Help on Cell Dimensions: Cell Dimensions:

a = 4.946, b = 20.502, c = 7.275, Z = 4; V = 737.71 Den(Calc)= 1.93

Help on Crystal System: Crystal System:

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

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 4.014(1), 10.33(1), 3.435(0.9),

Click Here for Large Kanemite Structure Window Crystal Structure:

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Help on Above

| | Garvie L A J , Devouard B , Groy T L , Camara F , Buseck P R , American Mineralogist , 84 (1999) p.1170-1175, Crystal structure of kanemite, NaHSi2O5.3H2O, from the Aris phonolite, Namibia View Additional jPOWD Structure files for Kanemite [1] | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Kanemite

Help on Cleavage: Cleavage:

{010} Perfect, {100} Good

Help on Color: Color:

Colorless, White.

Help on Density: Density:

1.926

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Hardness: Hardness:

4 - Fluorite

Help on Streak: Streak:

white

Optical Properties of Kanemite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2416,KPDmeas= 0.2421,KC= 0.2443
Ncalc = 1.47

Help on Optical Data: Optical Data:

Biaxial (-), a=1.451, b=1.47, g=1.478, bire=0.0270, 2V(Calc)=64, 2V(Meas)=46.

Calculated Properties of Kanemite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=1.98 gm/cc
note: Specific Gravity of Kanemite =1.93 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEKanemite = 1.25 barns/electron
U=PEKanemite x rElectron Density= 2.47 barns/cc.

Help on Radioactivity: Radioactivity:

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

Kanemite Classification

Help on Dana Class: Dana Class:

73.01.05.01 (73)Phyllosilicate Condensed Tetrahedral Sheets

(73.01)with double layers

(73.01.05)Dana Group

73.01.05.01 Kanemite NaHSi2O5•3(H2O) P bcn 2/m 2/m 2/m

Help on Strunz Class: Strunz Class:

09.EF.25 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EF -Single nets with 6-membered rings, � other rings

09.EF.25 Kanemite NaHSi2O5•3(H2O) P bcn 2/m 2/m 2/m

Other Kanemite Information

Help on References: References:

NAME( AntBidBlaNic2) 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 Kanemite :
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

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Ask about Kanemite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Kanemite Specimen Label here :

Kanemite

NaHSi2O5•3(H2O)
Dana No: 73.01.05.01 Strunz No: 09.EF.25
Locality:

Notes: