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Puy de Sancy, Chastreix, Puy-de-Dôme, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Puy de SancyDome
ChastreixCommune
Puy-de-DômeDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

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Key
Latitude & Longitude (WGS84):
45° 31' 41'' North , 2° 48' 50'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Mont-Dore1,787 (2017)4.3km
Picherande379 (2016)7.9km
Chambon-sur-Lac392 (2016)8.1km
La Bourboule2,162 (2016)8.9km
Besse-et-Saint-Anastaise1,636 (2018)9.4km
Other/historical names associated with this locality:
Auvergne; Rhône-Alpes
Other Languages:
French:
Puy de Sancy, Chastreix, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Porphyric trachyandesite (sancyite) dome, the highest summit of the French Massif Central (1885 m a.s.l.). This is the "type-locality" of "sancyite", a porphyric trachy-andesite with large sanidine crystals.

Note: Sulfur and alunite do not come from the Puy de Sancy proper, but from the neighbouring Ravin de la Craie (http://www.mindat.org/loc-49192.html)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Description: ??? dubious locality. There is no alunite on the Puy de Sancy itself, and the reference highly likely refers to the nearby La Craie Ravine. http://www.mindat.org/loc-49192.html
Reference: Dammer, Tietze: "Die nutzbaren Mineralien", 1914
Sanidine
Formula: K(AlSi3O8)
Reference: P & E Medard collection
Sulphur
Formula: S8
Description: Actually comes from http://www.mindat.org/loc-49192.html
Reference: Alain TUEL collection
Tridymite
Formula: SiO2
Reference: In Collection micromounts Eric Naud ( FRANCE )

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur ?1.CC.05S8
Group 4 - Oxides and Hydroxides
Tridymite4.DA.10SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Group 9 - Silicates
Sanidine9.FA.30K(AlSi3O8)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur ?1.3.5.1S8
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Tridymite75.1.2.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
OOxygen
O AluniteKAl3(SO4)2(OH)6
O SanidineK(AlSi3O8)
O TridymiteSiO2
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al SanidineK(AlSi3O8)
SiSilicon
Si SanidineK(AlSi3O8)
Si TridymiteSiO2
SSulfur
S AluniteKAl3(SO4)2(OH)6
S SulphurS8
KPotassium
K AluniteKAl3(SO4)2(OH)6
K SanidineK(AlSi3O8)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

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