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Puy de Tunisset, Saint-Ours-les-Roches, Pontgibaud, Puy-de-Dôme, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Puy de Tunisset- not defined -
Saint-Ours-les-Roches- not defined -
Pontgibaud- not defined -
Puy-de-DômeDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Key
Latitude & Longitude (WGS84):
45° 51' 17'' North , 2° 57' 52'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Chanat-la-Mouteyre938 (2016)4.7km
Pulvérières323 (2016)5.4km
Saint-Ours1,425 (2016)5.5km
Charbonnières-les-Varennes1,341 (2016)5.7km
Volvic4,456 (2016)6.0km
Other/historical names associated with this locality:
Auvergne; Rhône-Alpes
Name(s) in local language(s):
Puy de Tunisset (Puy de Ténuzet)


The "Puy de Tunisset" (or Puy de Ténuzet) cinder cone belongs to the Holocene volcanic group of the "Chaîne des Puys". It has almost been wiped out by mining activity, through a set of two quarries, now merged. A variety of fumarolized areas have been exposed, and showcase a large set of typical secondary minerals.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


18 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Aragonite
Formula: CaCO3
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Description: The micas are intermediate between fluorophlogopite and Ti-rich oxidized phlogopite.
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Calcite
Formula: CaCO3
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Diopside
Formula: CaMgSi2O6
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Enstatite
Formula: MgSiO3
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Fluoro-edenite
Formula: {Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Fluorophlogopite
Formula: KMg3(AlSi3O10)(F,OH)2
Description: Micas are intermediate between fluorophlogopite and Ti-rich oxidized phlogopite.
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Forsterite
Formula: Mg2SiO4
Description: All olivines at Tunisset have > 50 % forsterite component.
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Hematite
Formula: Fe2O3
Habit: Specular
Colour: Silver
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Microsommite
Formula: Na4K2Ca2(Al6Si6O24)(SO4)Cl2
Habit: Hexagonal prisms
Colour: colourless to white
Description: Identified by EPMA as a member of the cancrinite group; microsommite is the only member that matches the chemistry, although no crystallographic study has been done so far.
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Christophe Boutry Collection
Opal
Formula: SiO2 · nH2O
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Pseudobrookite
Formula: Fe2TiO5
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
'Pyroxene Group'
Description: This is either diopside or augite, or intermediate members.
Reference: Mboungou-Kongo J.B. (2002), L'hématite spéculaire du puy de Tunisset, Chaîne des Puys (Puy de Dôme), Le Régne Minéral, n°46, pp: 51-55
Sanidine
Formula: K(AlSi3O8)
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.
Titanite
Formula: CaTi(SiO4)O
Reference: Yannick Vessely collection yannick collection
Tridymite
Formula: SiO2
Reference: Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Pseudobrookite4.CB.15Fe2TiO5
Tridymite4.DA.10SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Enstatite9.DA.05MgSiO3
Fluoro-edenite9.DE.15{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Fluorophlogopite9.EC.20KMg3(AlSi3O10)(F,OH)2
Forsterite9.AC.05Mg2SiO4
Microsommite9.FB.05Na4K2Ca2(Al6Si6O24)(SO4)Cl2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Sanidine9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Biotite' ?-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
AB2X5
Pseudobrookite7.7.1.1Fe2TiO5
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Tridymite75.1.2.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Microsommite76.2.5.10Na4K2Ca2(Al6Si6O24)(SO4)Cl2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
'Biotite' ?-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fluoro-edenite-{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Fluorophlogopite-KMg3(AlSi3O10)(F,OH)2
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H OpalSiO2 · nH2O
H FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
H Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
OOxygen
O HematiteFe2O3
O PseudobrookiteFe2TiO5
O AragoniteCaCO3
O OpalSiO2 · nH2O
O MagnetiteFe2+Fe23+O4
O AndraditeCa3Fe23+(SiO4)3
O TridymiteSiO2
O EnstatiteMgSiO3
O FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
O CalciteCaCO3
O DiopsideCaMgSi2O6
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
O MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
O ForsteriteMg2SiO4
O SanidineK(AlSi3O8)
O TitaniteCaTi(SiO4)O
O NatroliteNa2Al2Si3O10 · 2H2O
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
FFluorine
F FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
F Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Na MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Na NatroliteNa2Al2Si3O10 · 2H2O
MgMagnesium
Mg EnstatiteMgSiO3
Mg FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Mg DiopsideCaMgSi2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Mg ForsteriteMg2SiO4
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Al Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Al MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Al SanidineK(AlSi3O8)
Al NatroliteNa2Al2Si3O10 · 2H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si OpalSiO2 · nH2O
Si AndraditeCa3Fe23+(SiO4)3
Si TridymiteSiO2
Si EnstatiteMgSiO3
Si FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Si DiopsideCaMgSi2O6
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Si MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Si ForsteriteMg2SiO4
Si SanidineK(AlSi3O8)
Si TitaniteCaTi(SiO4)O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SSulfur
S MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
ClChlorine
Cl MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
KPotassium
K FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
K MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
K SanidineK(AlSi3O8)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca AragoniteCaCO3
Ca AndraditeCa3Fe23+(SiO4)3
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2
Ca MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti PseudobrookiteFe2TiO5
Ti TitaniteCaTi(SiO4)O
FeIron
Fe HematiteFe2O3
Fe PseudobrookiteFe2TiO5
Fe MagnetiteFe2+Fe23+O4
Fe AndraditeCa3Fe23+(SiO4)3
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Mboungou-Kongo J.B. (2002) L'hématite spéculaire du Puy de Tunisset, Chaîne des Puys (Puy-de-Dôme). Le Règne Minéral 46: 51-55.
- Médard P. et al. (2009) La pseudobrookite du Puy de Tunisset (Puy-de-Dôme). Le Cahier des Micromonteurs 105: 3-11.


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