Rémondite-(Ce)
A valid IMA mineral species
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About Rémondite-(Ce)
Formula:
Na3(Ce,Ca,Na)3(CO3)5
Colour:
Orange-red to brown
Lustre:
Vitreous
Hardness:
3 - 3½
Specific Gravity:
3.43
Crystal System:
Monoclinic
Member of:
Name:
To honor Dr. Guy Rémond (1935– ), physicist, Bureau de Recherches Géologiques et Minières, Orléans, France, for his work on the physics of minerals. The suffix/modifier indicates the predominance of cerium over other rare-earth elements in the composition.
Type Locality:
This page provides mineralogical data about Rémondite-(Ce).
Unique Identifiers
Mindat ID:
3388
Long-form identifier:
mindat:1:1:3388:2
GUID
(UUID V4):
(UUID V4):
d8b46b73-7cea-4c69-924c-f1935901db4e
IMA Classification of Rémondite-(Ce)
Approved
First published:
1988
Classification of Rémondite-(Ce)
5.AD.15
5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
D : With rare-earth elements (REE)
5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
D : With rare-earth elements (REE)
14.4.5.1
14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
11.8.8
11 : Carbonates
8 : Carbonates of the rare earths
11 : Carbonates
8 : Carbonates of the rare earths
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 |
|---|---|---|
| Rém-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 Rémondite-(Ce)
Vitreous
Transparency:
Transparent, Translucent
Colour:
Orange-red to brown
Hardness:
3 - 3½ on Mohs scale
Cleavage:
Imperfect/Fair
Fracture:
Conchoidal
Density:
3.43(1) g/cm3 (Measured) 3.46 g/cm3 (Calculated)
Optical Data of Rémondite-(Ce)
Type:
Biaxial (+)
RI values:
nα = 1.632(2) nβ = 1.633(2) nγ = 1.638(2)
2V:
Measured: 40° to 48°, Calculated: 50°
Max Birefringence:
δ = 0.006
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 to distinct
Chemistry of Rémondite-(Ce)
Mindat Formula:
Na3(Ce,Ca,Na)3(CO3)5
Crystallography of Rémondite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Setting:
P21
Cell Parameters:
a = 10.412 Å, b = 6.291 Å, c = 10.414 Å
β = 119.80°
β = 119.80°
Ratio:
a:b:c = 1.655 : 1 : 1.655
Unit Cell V:
591.93 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.17 Å | (40) |
| 3.010 Å | (40) |
| 3.006 Å | (70) |
| 2.617 Å | (50) |
| 2.609 Å | (70) |
| 2.589 Å | (100) |
| 2.132 Å | (70) |
| 2.127 Å | (50) |
| 1.908 Å | (40) |
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 Rémondite-(Ce)
General Appearance of Type Material:
Massive.
Place of Conservation of Type Material:
Muséum Nationale d’Histoire Naturelle, Paris, France, number 51314 (holotype).
Geological Setting of Type Material:
Massive fillings in veinlets that cut nepheline syenite orthogneiss.
Associated Minerals at Type Locality:
Synonyms of Rémondite-(Ce)
Other Language Names for Rémondite-(Ce)
Russian:Ремондит-(Ce)
Relationship of Rémondite-(Ce) to other Species
Member of:
Other Members of this group:
| Burbankite | (Na,Ca)3(Sr,Ba,Ce)3(CO3)5 | Hex. 6mm : P63mc |
| Calcioburbankite | Na3(Ca,REE,Sr)3(CO3)5 | Hex. 6mm : P63mc |
| Khanneshite | (Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5 | Hex. 6mm : P63mc |
| Lishiite | (Ca2◻)Sr3(CO3)5 | Hex. 6mm : P63mc |
| Petersenite-(Ce) | Na4(Ce,La,Nd)2(CO3)5 | Mon. 2 : P21 |
| Rémondite-(La) | Na3(La,Ca,Na)3(CO3)5 | Mon. 2 : P21 |
| Sanrománite | Na2CaPb3[CO3]5 | Hex. 6mm : P63mc |
Common Associates
Associated Minerals Based on Photo Data:
| 11 photos of Rémondite-(Ce) associated with Siderite | FeCO3 |
| 4 photos of Rémondite-(Ce) associated with Bastnäsite-(Ce) | Ce(CO3)F |
| 4 photos of Rémondite-(Ce) associated with Gaidonnayite | Na2Zr(Si3O9) · 2H2O |
| 4 photos of Rémondite-(Ce) associated with Eudidymite | Na2Be2Si6O15 · H2O |
| 4 photos of Rémondite-(Ce) associated with Smoky Quartz | SiO2 |
| 3 photos of Rémondite-(Ce) associated with Adamsite-(Y) | NaY[CO3]2 · 6H2O |
| 3 photos of Rémondite-(Ce) associated with Aegirine | NaFe3+Si2O6 |
| 3 photos of Rémondite-(Ce) associated with Calcite | CaCO3 |
| 3 photos of Rémondite-(Ce) associated with Beryllonite | NaBePO4 |
| 2 photos of Rémondite-(Ce) associated with Rhodochrosite | MnCO3 |
Related Minerals - Strunz-mindat Grouping
| 5.AD.05 | Sahamalite-(Ce) | (Mg,Fe)(Ce,La,Nd)2(CO3)4 |
| 5.AD.15 | Petersenite-(Ce) | Na4(Ce,La,Nd)2(CO3)5 |
| 5.AD.15 | Rémondite-(La) | Na3(La,Ca,Na)3(CO3)5 |
| 5.AD.20 | Paratooite-(La) | (La,Sr,Ca)4CuCa(Na,Ca)2(CO3)8 |
Other Information
Notes:
Soluble in HCl and HNO3 with effervescence.
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 Rémondite-(Ce)
mindat.org URL:
https://www.mindat.org/min-3388.html
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Please feel free to link to this page.
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References for Rémondite-(Ce)
Reference List:
Localities for Rémondite-(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.
Cameroon (TL) | |
| CESBRON et al. (1988) |
Canada | |
| HORVÁTH et al. (2000) |
Russia | |
| Pavel M. Kartashov analytical data (2013) |
| PEKOV et al. (2013) |
| Pekov et al. (2004) | |
| ... | |
| Chukanov et al. (2005) |
| Belovitskaya et al. (2004) |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada