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Ferronordite-(La) (Ferronordit-(La))

Pictures (1 Images total)

Ferronordit-(La)-Rosette
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Ferronordit-(La)-Rosette
Bildgröße: 10 x 8 mm; Fundort: Bolshoi Punkaruaiv, Lovozero Massif, Kola, Russland
Copyright: Pavel M. Kartashov; Contribution: Philip Blümner
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Bolshoi Punkaruaiv
Mineral: Ferronordite-(La)
Image: 1208372044
License: Usage for Mineralienatlas project only
Ferronordit-(La)-Rosette

Bildgröße: 10 x 8 mm; Fundort: Bolshoi Punkaruaiv, Lovozero Massif, Kola, Russland
Copyright: Pavel M. Kartashov
Contribution: Philip Blümner 2008-04-16
Locality: Bolshoi Punkaruaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos, blassbraun
Streak color weiß
Hardness (Mohs) 5
Cleavages vollkommen {100}
Fracture uneben
Solubility - HCl
Crystal System orthorhombisch, Pcca

Chemism

Chemical formula

Na3Sr(La,Ce)Fe[Si6O17]

Chemical composition

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

Unit weight: 792.1471656 u; Number of atoms in the formula: 29

Info

Empirical formula:

Na3Sr(La0.75Ce0.25)Fe[Si6O17]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

34.34

17

58.62

15.9994300

271.9903100
Sodium

Na

8.71

3

10.34

22.9897702

68.9693106
Silicon

Si

21.27

6

20.69

28.0855300

168.5131800
Iron

Fe

7.05

1

3.45

55.8452000

55.8452000
Strontium

Sr

11.06

1

3.45

87.6210000

87.6210000
Lanthanum

La

13.15

0.75

2.59

138.9055200

104.1791400
Cerium

Ce

4.42

0.25

0.86

140.1161000

35.0290250

Analysis wt%

Ø SiO2 : 44.06, FeO : 3.75, ZnO : 2.29, MnO : 2.50, La2O3 : 11.36, Ce2O3 : 8.21, Pr2O3 : 1.00, Nd2O3 : 0.89, SrO : 12.69, CaO : 0.53, Na2O : 11.23, Ln2O3 : 21.46 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2001)

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.03-045

VIII: SILIKATE
G: Übergangsstrukturen zwischen Ketten- und Schichtsilikaten

Classification by Hölzel

9.DN.175

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

Dana 8th edition

72.05.02.07

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, blassbraun

Streak color

weiß

max. Birefringence

0.020
Birefringence chart\! Ferronordite-(La) title=Birefringence chart Ferronordite-(La)

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

1.624

RI value β

1.637

RI value γ / ε

1.644

Ri mean

1.635

2V angle

Biaxial (-) 60°

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

54

Space Group

Pcca

Cell parameters a (Å)

14.440

Cell parameters b (Å)

5.191

Cell parameters c (Å)

19.86

Cell parameters a/b or c/a

2.782

Cell parameters c/b

3.826

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

1488.667

X-Ray Powder Diffraction

7.20(40),
4.21(100),
3.481(40),
3.323(80),
2.964(90),
2.873(100),
2.595(60),
2.442(40)
XRD chart Ferronordite-(La)

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

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.54 (gemessen)

3.534 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {100}

Fracture

uneben

Tenacity

spröde

Instability

- HCl

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Bolshoi Punkaruaiv

Preface

Author (Name, Year)

Pekov & Chukanov & Turchkova & Grishin, 2001

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 130 (2001) (2), 53

IMA group assignments

Other languages

German

Ferronordit-(La)

Spanish

Ferronordita-(La)

English

Ferronordite-(La)

French

Ferronordite-(La)

Russian

Ферронордит-(La)

Traditional Chinese

矽鐵鍶鑭鈉石

Simplified Chinese

硅铁锶镧钠石

CNMNC (IMA)-Number

IMA 2000-015

CNMNC symbol

Symbol

Fnor-La

IDs

GUSID (Global unique identifier short form) qi3-VPXFcEmRwuQBhAHtJA
GUID (Global unique identifier) 54FE2DAA-C5F5-4970-91C2-E4018401ED24
Database ID 1192