Ferronordite-(Ce)
A valid IMA mineral species
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About Ferronordite-(Ce)
Formula:
Na3SrCeFe2+Si6O17
Colour:
Colorless, pale brown
Lustre:
Vitreous, Greasy
Hardness:
5 - 5½
Specific Gravity:
3.46
Crystal System:
Orthorhombic
Member of:
Name:
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.
The Fe2+ analogue of Nordite-(Ce) and Manganonordite-(Ce). The cerium analogue of Ferronordite-(La).
Unique Identifiers
Mindat ID:
6941
Long-form identifier:
mindat:1:1:6941:6
GUID
(UUID V4):
(UUID V4):
6edd8e58-1528-476f-93a3-5ff50b59d275
Classification of Ferronordite-(Ce)
Approved
First published:
1998
Type description reference:
Pekov, I. V., Chukanov, N. V., Kononkova, N. N., Belakovsky, D. I., Pushcharovsky, D. Y., Vinogradova, S. A. (1998) Ferronordite-(Ce) Na3SrFeSi6O17 and manganonordite-(Ce) Na3SrMnSi6O17 — the new minerals from Lovozero massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 127 (1) 32-41
9.DO.15
9 : SILICATES (Germanates)
D : Inosilicates
O : Inosilicates with 7-, 8-, 10-, 12- and 14-periodic chains
9 : SILICATES (Germanates)
D : Inosilicates
O : Inosilicates with 7-, 8-, 10-, 12- and 14-periodic chains
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fnor-Ce | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Ferronordite-(Ce)
Vitreous, Greasy
Transparency:
Transparent
Comment:
Greasy on fracture.
Colour:
Colorless, pale brown
Comment:
Altered mineral is brown.
Streak:
white
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN15=749 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect {100} cleavage, with two additional {h0l} cleavages present.
Perfect {100} cleavage, with two additional {h0l} cleavages present.
Fracture:
Irregular/Uneven
Density:
3.46(3) g/cm3 (Measured)
Optical Data of Ferronordite-(Ce)
Type:
Biaxial (-)
RI values:
nα = 1.623 nβ = 1.636 nγ = 1.642
2V:
Measured: 60° , Calculated: 66°
Max Birefringence:
δ = 0.019
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak
Chemical Properties of Ferronordite-(Ce)
Formula:
Na3SrCeFe2+Si6O17
Crystallography of Ferronordite-(Ce)
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pcca
Setting:
Pcca
Cell Parameters:
a = 14.460(2) Å, b = 5.187(1) Å, c = 19.848(7) Å
Ratio:
a:b:c = 2.788 : 1 : 3.826
Unit Cell V:
1,488.68 ų (Calculated from Unit Cell)
Z:
4
Comment:
by analogy to nordite
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.216 Å | (100) |
| 3.325 Å | (67) |
| 2.964 Å | (73) |
| 2.879 Å | (62) |
| 2.595 Å | (46) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Ferronordite-(Ce)
Co-Type Localities:
General Appearance of Type Material:
Tabular crystals up to 8 × 5 × 1 mm, grouped in rosette or sheafy aggregates up to 1 cm in diameter.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow, Russia.
Associated Minerals at Type Locality:
Reference:
Pekov I V, Chukanov N V, Kononkova N N, Belakovsky D I, Pushcharovsky D Y, Vinogradova S A (1998) Ferronordite-(Ce) Na3SrFeSi6O17 and manganonordite-(Ce) Na3SrMnSi6O17 — the new minerals from Lovozero massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 127, issue 1, 32-41
Synonyms of Ferronordite-(Ce)
Other Language Names for Ferronordite-(Ce)
Relationship of Ferronordite-(Ce) to other Species
Member of:
Other Members of this group:
| Ferronordite-(La) | Na3Sr(La,Ce)FeSi6O17 | Orth. |
| Illoqite-(Ce) | Na2NaBaCeZnSi6O17 | Orth. mmm (2/m 2/m 2/m) : Pcca |
| Manganonordite-(Ce) | Na3SrCeMn2+Si6O17 | Orth. mmm (2/m 2/m 2/m) : Pcca |
| Nordite-(Ce) | (Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | Orth. mmm (2/m 2/m 2/m) : Pcca |
| Nordite-(La) | (La,Ce)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | Orth. mmm (2/m 2/m 2/m) : Pcca |
Common Associates
Associated Minerals Based on Photo Data:
| 3 photos of Ferronordite-(Ce) associated with Ferronordite-(La) | Na3Sr(La,Ce)FeSi6O17 |
| 3 photos of Ferronordite-(Ce) associated with Rhabdophane-(La) | La(PO4) · H2O |
| 3 photos of Ferronordite-(Ce) associated with Ussingite | Na2AlSi3O8OH |
| 2 photos of Ferronordite-(Ce) associated with Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 |
| 2 photos of Ferronordite-(Ce) associated with Epistolite | Na2(Nb,Ti)2(Si2O7)O2 · nH2O |
Related Minerals - Strunz-mindat Grouping
| 9.DO. | Braccoite | NaMn2+5[Si5As5+O17(OH)](OH) |
| 9.DO. | Illoqite-(Ce) | Na2NaBaCeZnSi6O17 |
| 9.DO.05 | Pyroxferroite | (Fe,Mn,Ca)SiO3 |
| 9.DO.05 | Pyroxmangite | Mn2+SiO3 |
| 9.DO.10 | Pellyite | Ba2Ca(Fe,Mg)2Si6O17 |
| 9.DO.15 | Nordite-(Ce) | (Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 |
| 9.DO.15 | Nordite-(La) | (La,Ce)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 |
| 9.DO.15 | Manganonordite-(Ce) | Na3SrCeMn2+Si6O17 |
| 9.DO.15 | Ferronordite-(La) | Na3Sr(La,Ce)FeSi6O17 |
| 9.DO.15 | Meieranite | Na2Sr3MgSi6O17 |
| 9.DO.20 | Alamosite | PbSiO3 |
| 9.DO.25 | Liebauite | Ca3Cu5Si9O26 |
| 9.DO.30 | Vladykinite | Na3Sr4(Fe2+Fe3+)Si8O24 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Ferronordite-(Ce)
mindat.org URL:
https://www.mindat.org/min-6941.html
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External Links:
Mineral Dealers:
References for Ferronordite-(Ce)
Reference List:
Pekov, I. V., Chukanov, N. V., Kononkova, N. N., Belakovsky, D. I., Pushcharovsky, D. Y., Vinogradova, S. A. (1998) Ferronordite-(Ce) Na3SrFeSi6O17 and manganonordite-(Ce) Na3SrMnSi6O17 — the new minerals from Lovozero massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 127 (1) 32-41
Localities for Ferronordite-(Ce)
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
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Chinglusuai River Valley, Lovozersky District, Murmansk Oblast, Russia