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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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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):
Type:
Quarry (Abandoned) - last checked 2021
Köppen climate type:
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):
0
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.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Afwillite
Formula: Ca3[SiO4][SiO2(OH)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: Ca5Si6O17 · 5H2O

Gallery:

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[SiO4][SiO2(OH)2] · 2H2O
Tobermorite9.DG.10Ca5Si6O17 · 5H2O
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[SiO4][SiO2(OH)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 TobermoriteCa5Si6O17 · 5H2O
CCarbon
C CalciteCaCO3
C HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
OOxygen
O AfwilliteCa3[SiO4][SiO2(OH)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 TobermoriteCa5Si6O17 · 5H2O
AlAluminium
Al EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Al HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Al SträtlingiteCa2Al2SiO7 · 8H2O
SiSilicon
Si AfwilliteCa3[SiO4][SiO2(OH)2] · 2H2O
Si JenniteCa9(Si3O9)2(OH)8 · 8H2O
Si SträtlingiteCa2Al2SiO7 · 8H2O
Si TobermoriteCa5Si6O17 · 5H2O
SSulfur
S BaryteBaSO4
S EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
ClChlorine
Cl HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
CaCalcium
Ca AfwilliteCa3[SiO4][SiO2(OH)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 TobermoriteCa5Si6O17 · 5H2O
BaBarium
Ba BaryteBaSO4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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