Stenonite Mineral Data (original) (raw)

General Stenonite Information

Help on Chemical Formula: Chemical Formula:

(Sr,Ba,Na)2Al(CO3)F5

Help on Composition: Composition:

Molecular Weight = 374.12 gm

Barium 22.02 % Ba 24.59 % BaO

Sodium 1.23 % Na 1.66 % Na2O

Strontium 28.10 % Sr 33.24 % SrO

Aluminum 7.21 % Al 13.63 % Al2O3

Carbon 3.21 % C 11.76 % CO2

Oxygen 12.83 % O

Fluorine 25.39 % F 25.39 % F

- % F -10.69 % -O=F2

______ ______

100.00 % 99.57 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Sr1.2Ba0.6Na0.2Al(CO3)F5

Help on Environment: Environment:

Contact zone between siderite�cryolite and fluorite-rich rocks.

Help on IMA Status: IMA Status:

Approved IMA 1962

Help on Locality: Locality:

Ivigtut cryolite deposit, southwestern Greenland. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Nicholaus Stenonis (Steno) (1638-1686), Danish scientist, who determined the constancy of interfacial angles of crystals.

Help on Name Pronunciation: Name Pronunciation:

Stenonite + Pronunciation Say STENONITE

Help on Synonym: Synonym:

ICSD 201803

PDF 15-366

Stenonite Image

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Stenonite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.6261:1:1.5107

Help on Cell Dimensions: Cell Dimensions:

a = 5.45, b = 8.704, c = 13.15, Z = 4; beta = 98.72° V = 616.58 Den(Calc)= 4.03

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.166(1), 3.387(1), 1.925(0.8),

Click Here for Large Stenonite Structure Window Crystal Structure:

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| | Hawthorne F C , The Canadian Mineralogist , 22 (1984) p.245-251, The crystal structure of stenonite and the classification of the, aluminofluoride minerals | | -------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Stenonite

Help on Cleavage: Cleavage:

{001} Good, {120} Good

Help on Color: Color:

Colorless, White.

Help on Density: Density:

3.86

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Hardness: Hardness:

3.5 - Copper Penny

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Stenonite

Help on Optical Data: Optical Data:

Biaxial (-), a=1.452, b=1.527, g=1.538, bire=0.0860, 2V(Calc)=40, 2V(Meas)=43.

Calculated Properties of Stenonite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.65 gm/cc
note: Specific Gravity of Stenonite =4.03 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Help on Photoelectric: Photoelectric:

PEStenonite = 130.68 barns/electron
U=PEStenonite x rElectron Density= 476.91 barns/cc.

Help on Radioactivity: Radioactivity:

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

Stenonite Classification

Help on Dana Class: Dana Class:

12.01.01.01 (12)Compound Halides

(12.01)with miscellaneous anions

(12.01.01)Dana Group

12.01.01.01 Stenonite (Sr,Ba,Na)2Al(CO3)F5 P 21/n 2/m

Help on Strunz Class: Strunz Class:

03.CG.05 03 - HALIDES

03.C - Complex Halides

03.CG -Aluminofluorides with CO3, SO4, PO4

03.CG.05 Stenonite (Sr,Ba,Na)2Al(CO3)F5 P 21/n 2/m

Other Stenonite Information

Help on References: References:

NAME( AntBidBlaNic3) 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 Stenonite :
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 Stenonite here :
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Print or Cut-and-Paste your Stenonite Specimen Label here :

Stenonite

(Sr,Ba,Na)2Al(CO3)F5
Dana No: 12.01.01.01 Strunz No: 03.CG.05
Locality:

Notes: