Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Cilaos, Réunion, Francei
Regional Level Types
CilaosCommune
RéunionOverseas Department
FranceCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
01029950015718303987959.jpg
Volcanic Cilaos Circus at Sunset

Cilaos, Réunion, France
00475900014947745316512.jpg
Panoramic view of Cirque de Cilaos

Cilaos, Réunion, France
01358970015716465471866.jpg
Volcanic Cilaos Circus at Sunset

Cilaos, Réunion, France
00475900014947745316512.jpg
Panoramic view of Cirque de Cilaos

Cilaos, Réunion, France
09308850015718303982861.jpg
Volcanic Cilaos Circus at Sunset

Cilaos, Réunion, France
Type:
Mindat Locality ID:
68118
Long-form identifier:
mindat:1:2:68118:1
GUID (UUID V4):
bf5c4141-e176-484a-b35e-d58e99bdd6a1
Other Languages:
French:
Cilaos, La Réunion, France
German:
Cilaos, Réunion, Frankreich
Italian:
Cilaos, Riunione, Francia
Spanish:
Cilaos, Reunión, Francia
Afrikaans:
Cilaos, Réunion, Frankryk
Aragonese:
Cilaos, Reunión, Francia
Asturian:
Cilaos, Reunión, Francia
Bambara:
Cilaos, Faransi
Basque:
Cilaos, Reunion, Frantzia
Bavarian:
Cilaos, Réunion, Frankreich
Breton:
Cilaos, Enez ar Reunion, Bro-C'hall
Catalan:
Cilaos, Illa de la Reunió, França
Cebuano:
Cilaos, Réunion, Pransiya
Corsican:
Cilaos, Francia
Croatian:
Cilaos, Réunion, Francuska
Czech:
Cilaos, Réunion, Francie
Danish:
Cilaos, Réunion, Frankrig
Dutch:
Cilaos, Réunion, Frankrijk
Dutch Low Saxon:
Cilaos, Réunion, Frankriek
Esperanto:
Cilaos, Reunio, Francio
Estonian:
Cilaos, Réunion, Prantsusmaa
Faroese:
Cilaos, Frakland
Finnish:
Cilaos, Réunion, Ranska
Franco-Provençal:
Cilaos, Rèunion, France
Friulian:
Cilaos, France
Galician:
Cilaos, Reunión, Francia
Greenlandic:
Cilaos, Franskit Nunaat
Hungarian:
Cilaos, Réunion, Franciaország
Icelandic:
Cilaos, Réunion, Frakkland
Ido:
Cilaos, Reunion, Francia
Indonesian:
ba, Réunion, Perancis
Interlingua:
Cilaos, Reunion, Francia
Interlingue:
Cilaos, Francia
Irish Gaelic:
Cilaos, Réunion, An Fhrainc
Jamaican Patois:
Cilaos, Reunioh, Frans
Japanese:
シラオス, レユニオン, フランス
Kabyle:
Cilaos, Fransa
Kongo:
Cilaos, La Réunion, Fwalansa
Latvian:
Cilaos, Reinjona, Francija
Ligurian:
Cilaos, Réunion, Fransa
Limburgian:
Cilaos, Réunion, Frankriek
Lithuanian:
Cilaos, Reunjonas, Prancūzija
Low Saxon/Low German:
Cilaos, Réunion, Frankriek
Luxembourgish:
Cilaos, Departement La Réunion, Frankräich
Malagasy:
Cilaos, Larenion, Frantsa
Malay:
Cilaos, Réunion, Perancis
Minangkabau:
Cilaos, Parancih
Narom:
Cilaos, France
Neapolitan:
Cilaos, Franza
Norwegian:
Cilaos, Réunion, Frankrike
Norwegian (Nynorsk):
Cilaos, Réunion, Frankrike
Occitan:
Cilaos, Reünion, França
Papiamento:
Cilaos, Fransia
Picard:
Cilaos, Franche
Piedmontese:
Cilaos, La Réunion, Fransa
Polish:
Cilaos, Reunion, Francja
Portuguese:
Cilaos, Reunião, França
Romanian:
Cilaos, Réunion, Franța
Romansh:
Cilaos, Frantscha
Sardinian:
Cilaos, Frantza
Scots:
Cilaos, Réunion, Fraunce
Scottish Gaelic:
Cilaos, Réunion, An Fhraing
Sicilian:
Cilaos, Riunioni, Francia
Slovak:
Cilaos, Réunion, Francúzsko
Swahili:
Cilaos, Réunion, Ufaransa
Swedish:
Cilaos, Réunion, Frankrike
Turkish:
Cilaos, Réunion, Fransa
Ukrainian:
Сілао, Реюньйон, Франція
Venetian:
Cilaos, Réunion, Fransa
Vietnamese:
Cilaos, Réunion, Pháp
Volapük:
Cilaos, Fransän
Walloon:
Cilaos, Iye del Reyunion, France
Waray:
Cilaos, Réunion, Fransya
Welsh:
Cilaos, Réunion, Ffrainc
West Flemish:
Cilaos, Vrankryk
Wolof:
Cilaos, Reiñõo, Faraas
Zulu:
Cilaos, IRiyunion, IFulansi


The Cirque de Cilaos is a caldera.

The locality is on the path from Cilaos village to Ilet à Cordes, upstream sector of Bras Rouge brook.

Laumontite is found along wall rocks of dykes and sills in oceanites.
Laumontite has been deposited through the action of Si-rich hydrothermal circulations accompanying the intrusion of quartz syenite sills.

Mordenite is found on Henri Dijoux ravine right slope, 1 km away from Chapelle de Cilaos, in breccias and altered dikes of oceanite.

GPS coordinates are approximate.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

28 valid minerals.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Reference: Jean-Marie Lièvre collection.
Albite
Formula: Na(AlSi3O8)
Reference: Jean-Marie Lièvre collection.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: collection Joachim Esche
Anatase
Formula: TiO2
Reference: Jean-Marie Lièvre collection.
'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
Reference: DE ASCENCAO GUEDES R.(2005) La truscottite de Cilaos (Ile de la Réunion), Le Règne Minéral, 65, 11 (in French).
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Reference: Jean-Marie Lièvre collection.
Baryte ?
Formula: BaSO4
Reference: Jean-Marie Lièvre collection.
Brookite
Formula: TiO2
Reference: ko jansen collectionj
Calcite
Formula: CaCO3
Description: Associated with mordenite.
Reference: Bull. Minéral. , 109, 1986, pp. 337-347.
'Chabazite'
Reference: Serge Lavarde collection
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Reference: Serge Lavarde collection
Fluorite
Formula: CaF2
Reference: collection Joachim Esche
Hematite
Formula: Fe2O3
Reference: Jean-Marie Lièvre collection.
Ilmenite
Formula: Fe2+TiO3
Reference: COUREAU
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Description: Deshydrated laumontite (leonhardite).
Reference: P. Nativel, Bull. Soc. Fr. Minéral. Cristallogr. , 1974, 97, pp. 82-84.
'Manganese Oxides'
Reference: ko jansen collectionj
'Manganese Oxides var. Manganese Dendrites'
Reference: Jean-Vincent Coureau find & collection
Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Reference: COUREAU
Microcline
Formula: K(AlSi3O8)
Reference: Jean-Luc Portes collection
Molybdenite
Formula: MoS2
Reference: collection Joachim Esche
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Bull. Minéral. , 109, 1986, pp. 337-347.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: COUREAU
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Serge Lavarde collection
'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Reference: DE ASCENCAO GUEDES R.(2005) La truscottite de Cilaos (Ile de la Réunion), Le Règne Minéral, 65, 11 (in French).
Quartz
Formula: SiO2
Description: Neoformed crystals associated with mordenite.
Reference: Bull. Minéral. , 109, 1986, pp. 337-347.
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Reference: Jean-Marie Lièvre collection.
Rutile
Formula: TiO2
Reference: Jean-Marie Lièvre collection.
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Jean-Vincent Coureau collection
Siderite
Formula: FeCO3
Reference: Jean-Marie Lièvre collection.
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Reference: Zeolite collection of Volker Betz
'Thomsonite Subgroup'
Reference: Serge Lavarde
Truscottite
Formula: (Ca,Mn)14Si24O58(OH)8 · 2H2O
Reference: Serge Lavarde collection
Yugawaralite
Formula: CaAl2Si6O16 · 4H2O
Reference: DE ASCENCAO GUEDES R. (2004) A vos loupes n°2 : la yugawaralite, Le Règne minéral, 59, 42-45. (in French)
Zircon
Formula: Zr(SiO4)
Reference: Serge Lavarde collection

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Brookite4.DD.10TiO2
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte ?7.AD.35BaSO4
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Mesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Microcline9.FA.30K(AlSi3O8)
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Truscottite9.EE.35(Ca,Mn)14Si24O58(OH)8 · 2H2O
Yugawaralite9.GB.15CaAl2Si6O16 · 4H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apophyllite Group'-AB4[Si8O22]X · 8H2O
'Chabazite'-
'Manganese Oxides'-
'var. Manganese Dendrites'-
'Pumpellyite Subgroup'-Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
'Thomsonite Subgroup'-

List of minerals for each chemical element

HHydrogen
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
H Apophyllite GroupAB4[Si8O22]X · 8H2O
H YugawaraliteCaAl2Si6O16 · 4H2O
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
H AnalcimeNa(AlSi2O6) · H2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H MesoliteNa2Ca2Si9Al6O30 · 8H2O
H NatroliteNa2Al2Si3O10 · 2H2O
CCarbon
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
O LaumontiteCaAl2Si4O12 · 4H2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O CalciteCaCO3
O QuartzSiO2
O Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
O Apophyllite GroupAB4[Si8O22]X · 8H2O
O YugawaraliteCaAl2Si6O16 · 4H2O
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O RutileTiO2
O SideriteFeCO3
O AnataseTiO2
O HematiteFe2O3
O PrehniteCa2Al2Si3O10(OH)2
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O AnalcimeNa(AlSi2O6) · H2O
O MicroclineK(AlSi3O8)
O ZirconZr(SiO4)
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O BrookiteTiO2
O MesoliteNa2Ca2Si9Al6O30 · 8H2O
O NatroliteNa2Al2Si3O10 · 2H2O
O IlmeniteFe2+TiO3
O BaryteBaSO4
FFluorine
F FluoriteCaF2
NaSodium
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na MesoliteNa2Ca2Si9Al6O30 · 8H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
MgMagnesium
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Al YugawaraliteCaAl2Si6O16 · 4H2O
Al AlbiteNa(AlSi3O8)
Al PrehniteCa2Al2Si3O10(OH)2
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al MicroclineK(AlSi3O8)
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al MesoliteNa2Ca2Si9Al6O30 · 8H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
SiSilicon
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si QuartzSiO2
Si Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Si Apophyllite GroupAB4[Si8O22]X · 8H2O
Si YugawaraliteCaAl2Si6O16 · 4H2O
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si MicroclineK(AlSi3O8)
Si ZirconZr(SiO4)
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
SSulfur
S MolybdeniteMoS2
S BaryteBaSO4
KPotassium
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K MicroclineK(AlSi3O8)
CaCalcium
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca CalciteCaCO3
Ca Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Ca YugawaraliteCaAl2Si6O16 · 4H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca FluoriteCaF2
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca MesoliteNa2Ca2Si9Al6O30 · 8H2O
TiTitanium
Ti RutileTiO2
Ti AnataseTiO2
Ti BrookiteTiO2
Ti IlmeniteFe2+TiO3
MnManganese
Mn Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
FeIron
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe AegirineNaFe3+Si2O6
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe SideriteFeCO3
Fe HematiteFe2O3
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Fe IlmeniteFe2+TiO3
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
BaBarium
Ba BaryteBaSO4

Fossils

This region is too big to display the fossil list, try looking at smaller subregions.

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rançon, Jean-Philippe (1982) Contribution à l'Étude des Minéralisations Hydrothermales Liées à un Système Géothermique Récent dans l'Ile de La Réunion. Thèse de Doctorat 3ème cycle présentée à l'Université de Paris-Sud centre d'Orsay, Spécialité Volcanologie - Géothermie, 1-225 (in French).

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Cilaos
Wikidata ID:Q1014746
GeoNames ID:935975

Localities in this Region

Other Regions, Features and Areas that Intersect

France
Somali PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 19, 2024 13:56:59 Page updated: May 27, 2023 09:15:10
Go to top of page