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Boisséjour, Beaumont, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, Francei
Regional Level Types
BoisséjourQuarry (Abandoned)
BeaumontCommune
Clermont-FerrandArrondissement
Puy-de-DômeDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Latitude & Longitude (WGS84):
45° 44' 53'' North , 3° 4' 14'' East
Latitude & Longitude (decimal):
45.74806,3.07083
GeoHash:
G#: u04hmbhje
GRN:
N31E02
Type:
Quarry (Abandoned) - last checked 2021
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Beaumont12,295 (2016)1.0km
Ceyrat5,880 (2016)1.9km
Royat4,831 (2016)2.4km
Romagnat8,771 (2016)3.1km
Chamalières20,298 (2016)3.1km
Mindat Locality ID:
63178
Long-form identifier:
mindat:1:2:63178:8
GUID (UUID V4):
9bb03766-388c-4bad-aba9-6fa66dd6a728
Other/historical names associated with this locality:
Auvergne; Rhône-Alpes


"(Coming from Beaumont). South of Royat, follow the D5 and the N141C after Ceyrat. In the region of the locality [there is] baryte and hexagonal ettringite (calcium and aluminium sulphate) crystals." [Belot, 1978]

Long abandoned quarry at the crossing of RN 89 and N 141 c roads. Other samples have been found above the quarry during housing construction. Part of a private property and now inaccessible. Oligocene marls and arkoses thermally metamorphosed by trachy-basalt lava flow of Puy de Gravenoire volcano.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

ⓘ Afwillite
Formula: Ca3(HSiO4)2 · 2H2O
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Ettringite
Formula: Ca6Al2(SO4)3(OH)12 · 26H2O
ⓘ 'Gismondine Subgroup'
ⓘ Hydrocalumite
Formula: Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Description: Chlorinated hydrocalumite : Ca3.852 Mg0.136 Na0.018 Al2 (OH)12.74 (CO3)0.124 Cl0.958 . 4H2O
ⓘ Jennite
Formula: Ca9(Si3O9)2(OH)8 · 8H2O
ⓘ Portlandite
Formula: Ca(OH)2
ⓘ Strätlingite
Formula: Ca2Al2SiO7 · 8H2O
ⓘ Tobermorite
Formula: Ca4Si6O17(H2O)2 · (Ca · 3H2O)

Gallery:

Ca3(HSiO4)2 · 2H2Oⓘ Afwillite
Ca6Al2(SO4)3(OH)12 · 26H2Oⓘ Ettringite
ⓘ 'Gismondine Subgroup'
Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2Oⓘ Hydrocalumite
Ca9(Si3O9)2(OH)8 · 8H2Oⓘ Jennite
Ca2Al2SiO7 · 8H2Oⓘ Strätlingite
Ca4Si6O17(H2O)2 · (Ca · 3H2O)ⓘ Tobermorite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘPortlandite4.FE.05Ca(OH)2
ⓘHydrocalumite4.FL.10Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘEttringite7.DG.15Ca6Al2(SO4)3(OH)12 · 26H2O
Group 9 - Silicates
ⓘAfwillite9.AG.75Ca3(HSiO4)2 · 2H2O
ⓘTobermorite9.DG.10Ca4Si6O17(H2O)2 · (Ca · 3H2O)
ⓘJennite9.DG.20Ca9(Si3O9)2(OH)8 · 8H2O
ⓘSträtlingite9.EG.25Ca2Al2SiO7 · 8H2O
Unclassified
ⓘ'Gismondine Subgroup'-

List of minerals for each chemical element

HHydrogen
Hⓘ AfwilliteCa3(HSiO4)2 · 2H2O
Hⓘ EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Hⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Hⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Hⓘ PortlanditeCa(OH)2
Hⓘ SträtlingiteCa2Al2SiO7 · 8H2O
Hⓘ TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
OOxygen
Oⓘ AfwilliteCa3(HSiO4)2 · 2H2O
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Oⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Oⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Oⓘ PortlanditeCa(OH)2
Oⓘ SträtlingiteCa2Al2SiO7 · 8H2O
Oⓘ TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)
AlAluminium
Alⓘ EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Alⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Alⓘ SträtlingiteCa2Al2SiO7 · 8H2O
SiSilicon
Siⓘ AfwilliteCa3(HSiO4)2 · 2H2O
Siⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Siⓘ SträtlingiteCa2Al2SiO7 · 8H2O
Siⓘ TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
ClChlorine
Clⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
CaCalcium
Caⓘ AfwilliteCa3(HSiO4)2 · 2H2O
Caⓘ CalciteCaCO3
Caⓘ EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Caⓘ HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Caⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Caⓘ PortlanditeCa(OH)2
Caⓘ SträtlingiteCa2Al2SiO7 · 8H2O
Caⓘ TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)
BaBarium
Baⓘ BaryteBaSO4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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.

References

Grünhagen, H., Mergoil, J. (1963) Découverte d'hydrocalumite et afwillite associées à l'ettringite dans les porcélanites de Boisséjour près Ceyrat (Puy de Dôme). Bulletin de la Société Française de Minéralogie et de Cristallographie: 86: 149-157.
Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner. Guides Horay.
Revel, C. (1996) La carrière de Boisséjour. Magazine du 4M: 16(162): 4-5.
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