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
Please feel free to link to this page.
Please feel free to link to this page.
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References for Rémondite-(Ce)
Reference List:
Localities for Rémondite-(Ce)
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
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