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Ferronordite-(Ce) (Ferronordit-(Ce))

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Ferronordit-(Ce)
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Ferronordit-(Ce)
brauner, strahliger Ferronordit-(Ce) in Ussingit, Umbozero Mine, Alluaiv, Lovozero, Kola, Russland; BB ~ 1 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv/Umbozero
Mineral: Ferronordite-(Ce)
Image: 1581241137
License: Usage for Mineralienatlas project only
Ferronordit-(Ce)

brauner, strahliger Ferronordit-(Ce) in Ussingit, Umbozero Mine, Alluaiv, Lovozero, Kola, Russland; BB 1 cm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-09
Locality: Umbozero / Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos, blassgelb
Streak color weiß
Hardness (Mohs) 5.00 - 5.50
Cleavages vollkommen {100} mit zwei zusätzlichen {h0l} Spaltrichtungen
Fracture uneben
Solubility +++ konzentrierte HCl, H2SO4
Crystal System orthorhombisch, Pcca

Chemism

Chemical formula

Na3(Sr,Ca)(Fe2+,Mn2+)(Ce,La)[Si6O17]

Chemical composition

Calcium, Cerium, Eisen, Lanthanum, Mangan, Natrium, Silicium, Strontium, Sauerstoff

Unit weight: 780.640018075 u; Number of atoms in the formula: 29

Info

Empirical formula:

Na3(Sr0.75Ca0.25)(Fe0.75Mn0.25)(Ce0.75La0.25)[Si6O17]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

34.84

17

58.62

15.9994300

271.9903100
Sodium

Na

8.83

3

10.34

22.9897702

68.9693106
Silicon

Si

21.59

6

20.69

28.0855300

168.5131800
Calcium

Ca

1.28

0.25

0.86

40.0784000

10.0196000
Manganese

Mn

1.76

0.25

0.86

54.9380499

13.7345125
Iron

Fe

5.37

0.75

2.59

55.8452000

41.8839000
Strontium

Sr

8.42

0.75

2.59

87.6210000

65.7157500
Lanthanum

La

4.45

0.25

0.86

138.9055200

34.7263800
Cerium

Ce

13.46

0.75

2.59

140.1161000

105.0870750

Analysis wt%

SiO2 : 44.92, MgO : 0.51, MnO : 2.22, FeO : 3.71, ZnO : 2.28, La2O3 : 8.79, Ce2O3 : 10.64, Pr2O3 : 0.56, Nd2O3 : 0.90, CaO : 0.73, SrO : 12.64, Na2O : 11.34, Ln2O3 : 21.05 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 98)

Strunz 9th edition incl. updates

9.DO.15

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
O: Ketten- und Bandsilikate mit 7-,8-,10-,12-und 14-periodischen Ketten
15:Nordit-Gruppe

Lapis Classification

VIII/G.03-040

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten

Classification by Hölzel

9.DN.170

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
N: ~[Si6O17]10--...~[Si6O15]6--...3-Band Xonotlite-Group

Dana 8th edition

72.05.02.05

72: Phyllosilicates Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
05: Phyllosilicates Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers
02: Leucospenite and related species

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Nordite supergroup  ⇒ Nordite group

Optical Properties

Color

farblos, blassgelb

Streak color

weiß

max. Birefringence

0.019
Birefringence chart\! Ferronordite-(Ce) title=Birefringence chart Ferronordite-(Ce)

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.623

RI value β

1.636

RI value γ / ε

1.642

Ri mean

1.634

2V angle

Biaxial (-) 60°

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

54

Space Group

Pcca

Cell parameters a (Å)

14.460

Cell parameters b (Å)

5.187

Cell parameters c (Å)

19.848

Cell parameters a/b or c/a

2.788

Cell parameters c/b

3.826

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1488.68

X-Ray Powder Diffraction

7.22(40),
4.216(100),
3.484(30),
3.325(70),
2.964(70),
2.879(60),
2.595(50),
2.444(30)
XRD chart Ferronordite-(Ce)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.00 - 5.50

VHN (Hardness Vickers)

749 (15g)

Density (g/cm³)

3.46 (gemessen)

3.483 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {100} mit zwei zusätzlichen {h0l} Spaltrichtungen

Fracture

uneben

Tenacity

spröde

Instability

+++ konzentrierte HCl, H2SO4

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Chinglusuai, Fluss

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Karnasurt, Berg/Karnasurt Mine

Preface

Author (Name, Year)

Pekov & Chukanov & Kononkova & Belakovskiy & Pushcharovskiy & Vinograd

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 127 (1998) (1), 32

IMA group assignments

 
Nordite supergroup
 
 
 

 
 
Nordite group
 
 
 

 
 
 
Ferronordite-(Ce)
Na3(Sr,Ca)(Fe2+,Mn2+)(Ce,La)[Si6O17]
orthorhombisch
Pcca

 
 
 
Ferronordite-(La)
Na3Sr(La,Ce)Fe[Si6O17]
orthorhombisch
Pcca

 
 
 
Illoqite-(Ce)
Na2NaBaCeZnSi6O17
orthorhombisch
Pcca

 
 
 
Manganonordite-(Ce)
Na3(Sr,Ca)(Mn2+,Fe2+)(Ce,La)[Si6O17]
orthorhombisch
Pcca

 
 
 
Nordite-(Ce)
(Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17
orthorhombisch
Pcca

 
 
 
Nordite-(La)
Na3SrLaZnSi6O17
orthorhombisch
Pcca

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Actuality: 06. May 2025 - 07:39:18

Other languages

German

Ferronordit-(Ce)

Spanish

Ferronordita-(Ce)

English

Ferronordite-(Ce)

French

Ferronordite-(Ce)

Russian

Ферронордит-(Ce)

Traditional Chinese

鐵矽鈉鍶鈰石

Simplified Chinese

铁硅钠锶铈石

Alternative Name

Traditional Chinese

矽鐵鈰鍶鈉石

Simplified Chinese

硅铁铈锶钠石

CNMNC (IMA)-Number

IMA 1997-008

CNMNC symbol

Symbol

Fnor-Ce

IDs

GUSID (Global unique identifier short form) xeDLNeXeWEuAk3zJv3N5Iw
GUID (Global unique identifier) 35CBE0C5-DEE5-4B58-8093-7CC9BF737923
Database ID 1191