Mineralogy Database

Ferronordite-(Ce) Mineral Data

Search Webmineral :
  
Advertisment

General Ferronordite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Na3SrCeFe++Si6O17
Help on Composition: Composition: Molecular Weight = 793.05 gm
   Sodium      8.70 %  Na   11.72 % Na2O
   Strontium  11.05 %  Sr   13.07 % SrO
   Cerium     17.67 %  Ce   20.69 % Ce2O3
   Iron        7.04 %  Fe    9.06 % FeO
   Silicon    21.25 %  Si   45.46 % SiO2
   Oxygen     34.30 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3SrCeFe2+Si6O17
Help on Environment: Environment: In areas of ultra-alkaline mineralization in small cavities in pegmatoid sodalite syenites. In ussingite veinlets.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Chinlusuia River, Lovozero Alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif.
Help on Name Pronunciation: Name Pronunciation: Ferronordite-(Ce) + Pronunciation Say FERRONORDITE-(CE)
Help on Synonym: Synonym: ICSD 88886
  IMA1997-008
  PDF 50-1639
 

Ferronordite-(Ce) Image

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

  Ferronordite-(Ce)

Comments: Translucent platy pale-brown ferronordite-(Ce) crystals in translucent ussingite.
Location: Karnasurt Mountain, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Russia. Scale: Sample Size 12x10x7 mm..
© John Betts - Fine Minerals

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

  Ferronordite-(La)   Ferronordite-(Ce)

Comments: Large complex rosette of ferronordite-(La) in center and ferronordite-(Ce) on terminations of platy crystals. Earthy yellowish rhabdophane is Ce dominant.
Location: Bolshoi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm.
© Pavel M. Kartashov

Ferronordite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.7877:1:3.8264
Help on Cell Dimensions: Cell Dimensions: a = 14.46, b = 5.187, c = 19.848, Z = 4; V = 1,488.68 Den(Calc)= 3.54
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pcca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.216(1), 2.964(0.73), 3.325(0.67),
 

Physical Properties of Ferronordite-(Ce)

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Colorless, Light coffee brown.
Help on Density: Density: 3.46 - 3.54, Average = 3.5
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Ferronordite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.179,KPDmeas= 0.181,KC= 0.1826
Ncalc = 1.63 - 1.65
Help on Optical Data: Optical Data: Biaxial (-), a=1.623, b=1.636, g=1.642, bire=0.0190, 2V(Calc)=66, 2V(Meas)=60. Dispersion weak, r > v.
 

Calculated Properties of Ferronordite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.31 gm/cc
note: Specific Gravity of Ferronordite-(Ce) =3.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerronordite-(Ce) = 101.75 barns/electron
U=PEFerronordite-(Ce) x relectron= 336.78 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 17,822.51 (Gamma Ray American Petroleum Institute Units)
Concentration of Ferronordite-(Ce) per GRapi unit = 56.11 (PPM)

Ferronordite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Ferronordite-(Ce) - weak
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.17 cm 395,758 1.07E-05 17,822.51 5.86
100 gm / 3.79 cm 39,576 1.07E-06 1,782.25 0.59
10 gm / 1.76 cm 3,958 1.07E-07 178.23 0.06
1 gm / 8.17 mm 396 1.07E-08 17.82 0.01
0.1 gm / 3.79 mm 40 1.07E-09 1.78 0.00
0.01 gm / 1.76 mm 4 1.07E-10 0.18 0.00
0.001 gm / 0.82 mm 0 1.07E-11 0.02 0.00

Weight of pure Ferronordite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.50 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.88 % Th) From Sum REE Elements (17.67 % REE)
 

Ferronordite-(Ce) Classification

Help on  Dana Class: Dana Class: 72.05.02.05 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
  (72.05)with corrugated and complex layers
  (72.05.02)Leucospenite and related species
 
72.05.02.01 Leucosphenite Na4BaTi2O2[B2Si10O28] C 2/m 2/m
 
72.05.02.02 Nordite-(Ce) (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 Pcca 2/m 2/m 2/m
 
72.05.02.03 Nordite-(La) (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 Pcca 2/m 2/m 2/m
 
72.05.02.04 Semenovite (Na,Ca)9(Ce,La)2(Fe,Mn)(Si,Be)20(O,OH,F)48 Pmmn 2/m 2/m 2/m
 
72.05.02.05 Ferronordite-(Ce)! Na3SrCeFeSi6O17 Pcca 2/m 2/m 2/m
 
72.05.02.06 Manganonordite-(Ce)! Na3SrCeMnSi6O17 Pcca 2/m 2/m 2/m
 
72.05.02.07 Ferronordite-(La)! Na3Sr(La,Ce)FeSi6O17 Pcca 2/m 2/m 2/m
 
72.05.02.08 Bussyite-(Ce)! (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 C 2/c 2/m
Help on  Strunz Class: Strunz Class: 09.DO.15 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DO -Inosilicates with 7-, 8-, 10-, 12- and 14-periodic chains
 
09.DO.15 Manganonordite-(Ce)! Na3SrCeMnSi6O17 Pcca 2/m 2/m 2/m
 
09.DO.15 Ferronordite-(Ce)! Na3SrCeFeSi6O17 Pcca 2/m 2/m 2/m
 
09.DO.15 Nordite-(Ce) (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 Pcca 2/m 2/m 2/m
 
09.DO.15 Nordite-(La) (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 Pcca 2/m 2/m 2/m
 
09.DO.15 Ferronordite-(La)! Na3Sr(La,Ce)FeSi6O17 Pcca 2/m 2/m 2/m
 

Other Ferronordite-(Ce) Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.10,1998) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Ferronordite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Ferronordite-(Ce) using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferronordite-(Ce) :

Ask about Ferronordite-(Ce) here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Ferronordite-(Ce) Specimen Label here :

Ferronordite-(Ce)

Na3SrCeFe++Si6O17
Dana No: 72.05.02.05 Strunz No: 09.DO.15
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.