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Punta Chistafort, Entracque, Cuneo Province, Piedmont, Italyi
Regional Level Types
Punta ChistafortMountain
EntracqueCommune
Cuneo ProvinceProvince
PiedmontRegion
Italy- not defined -

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Latitude & Longitude (WGS84):
44° 12' 19'' North , 7° 21' 8'' East
Latitude & Longitude (decimal):
44.20550,7.35224
GeoHash:
G#: spv5rr3ex
GRN:
N30E04
Type:
Mountain
KΓΆppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Entracque722 (2014)5.3km
Valdieri500 (2014)8.8km
Festiona132 (2014)10.5km
Roaschia120 (2014)10.9km
Andonno231 (2014)11.7km
Mindat Locality ID:
189846
Long-form identifier:
mindat:1:2:189846:3
GUID (UUID V4):
34d9efd3-e46f-4675-8b92-942f5bf11d59
Other Languages:
Italian:
Punta Chistafort, Entracque, Provincia di Cuneo, Piemonte, Italia


Underground works during the construction of hydroelectric power station "Luigi Einaudi" (the largest in Italy).

In the area of Punta Chistafort, a mountain to the north of Vallone di Chistafort, various mineral finds are reported from the underground excavations.

From the Chiotas-Piastra gallery, hosting the pressure pipe which connects the Chiotas reservoir (Bacino del Chiotas or Lago del Chiotas) to the Piastra reservoir (Lago della Piastra), the most famous mineral find of this area has been recorded. The excavation works evidenced a large fissure, ca. 2 m in width and various metres (between 6 and 10 m or more) in hight, filled with gneiss blocks of various sizes cemented by crystallised calcite. This very typical calcite, which appears as milky-white pseudohexagonal prismatic crystals up to 5-6 cm on edge, was erroneously labelled by some collectors as "vaterite". Calcite crystals are always grown on carpets of tiny colourless prismatic crystals of phillipsite, which envelop the gneiss blocks. Other clefts in this gallery yielded globular prehnite; anatase crystals with complex habit, synchysite-(Ce), chlorite, and quartz.

From the Rovina-Piastra gallery, hosting the pressure pipe which connects the Rovina Lake (Lago della Rovina) to the Piastra reservoir (Lago della Piastra), clear pseudocubic crystals of chabazite were collected.

The pedestrian gallery at 1800 m and the large dump below its outward window (44Β°11'53"N, 7Β°20'56"E) yielded white lamellar calcite crystals, in association with colourless and often twinned crystals of harmotome, chalcopyrite, adularia, chlorite, etc. From the abundant rock material dumped below the window, some intersting sulphates, such as wilcoxite, gypsum, chalcantite, tschermigite, melanterite, and pickeringite, have been found in more recent times (Ciriotti et al., 2008; Ciriotti et al., 2020).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 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:

β“˜ Anatase
Formula: TiO2
β“˜ Calcite
Formula: CaCO3
β“˜ 'Chabazite'
β“˜ Chalcanthite
Formula: CuSO4 · 5H2O
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Fluorite
Formula: CaF2
β“˜ Graphite
Formula: C
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Harmotome
Formula: Ba2(Si12Al4)O32 · 12H2O
β“˜ 'K Feldspar'
β“˜ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
β“˜ Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
β“˜ 'Phillipsite Subgroup'
β“˜ Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
β“˜ Prehnite
Formula: Ca2Al2Si3O10(OH)2
β“˜ Quartz
Formula: SiO2
β“˜ Synchysite-(Ce)
Formula: CaCe(CO3)2F
β“˜ Tschermigite
Formula: (NH4)Al(SO4)2 · 12H2O
β“˜ Wilcoxite
Formula: MgAl(SO4)2F · 17H2O

Gallery:

CaCO3β“˜ Calcite
CaF2β“˜ Fluorite
Ba2(Si12Al4)O32 · 12H2Oβ“˜ Harmotome

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
β“˜Chalcopyrite2.CB.10aCuFeS2
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
β“˜Anatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Synchysite-(Ce)5.BD.20cCaCe(CO3)2F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Chalcanthite7.CB.20CuSO4 Β· 5H2O
β“˜Melanterite7.CB.35Fe2+(H2O)6SO4 Β· H2O
β“˜Pickeringite7.CB.85MgAl2(SO4)4 Β· 22H2O
β“˜Tschermigite7.CC.20(NH4)Al(SO4)2 Β· 12H2O
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
β“˜Wilcoxite7.DE.45MgAl(SO4)2F Β· 17H2O
Group 9 - Silicates
β“˜Prehnite9.DP.20Ca2Al2Si3O10(OH)2
β“˜Harmotome9.GC.10Ba2(Si12Al4)O32 Β· 12H2O
Unclassified
β“˜'K Feldspar
var. Adularia'		-KAlSi3O8
β“˜'Phillipsite Subgroup'-
β“˜'Chlorite Group'-
β“˜'Chabazite'-
β“˜'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ ChalcanthiteCuSO4 · 5H2O
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ HarmotomeBa2(Si12Al4)O32 · 12H2O
Hβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Hβ“˜ PickeringiteMgAl2(SO4)4 · 22H2O
Hβ“˜ PrehniteCa2Al2Si3O10(OH)2
Hβ“˜ Tschermigite(NH4)Al(SO4)2 · 12H2O
Hβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ GraphiteC
Cβ“˜ Synchysite-(Ce)CaCe(CO3)2F
NNitrogen
Nβ“˜ Tschermigite(NH4)Al(SO4)2 · 12H2O
OOxygen
Oβ“˜ K Feldspar var. AdulariaKAlSi3O8
Oβ“˜ AnataseTiO2
Oβ“˜ CalciteCaCO3
Oβ“˜ ChalcanthiteCuSO4 · 5H2O
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ HarmotomeBa2(Si12Al4)O32 · 12H2O
Oβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Oβ“˜ PickeringiteMgAl2(SO4)4 · 22H2O
Oβ“˜ PrehniteCa2Al2Si3O10(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ Synchysite-(Ce)CaCe(CO3)2F
Oβ“˜ Tschermigite(NH4)Al(SO4)2 · 12H2O
Oβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
FFluorine
Fβ“˜ FluoriteCaF2
Fβ“˜ Synchysite-(Ce)CaCe(CO3)2F
Fβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
MgMagnesium
Mgβ“˜ PickeringiteMgAl2(SO4)4 · 22H2O
Mgβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
AlAluminium
Alβ“˜ K Feldspar var. AdulariaKAlSi3O8
Alβ“˜ HarmotomeBa2(Si12Al4)O32 · 12H2O
Alβ“˜ PickeringiteMgAl2(SO4)4 · 22H2O
Alβ“˜ PrehniteCa2Al2Si3O10(OH)2
Alβ“˜ Tschermigite(NH4)Al(SO4)2 · 12H2O
Alβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
SiSilicon
Siβ“˜ K Feldspar var. AdulariaKAlSi3O8
Siβ“˜ HarmotomeBa2(Si12Al4)O32 · 12H2O
Siβ“˜ PrehniteCa2Al2Si3O10(OH)2
Siβ“˜ QuartzSiO2
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcanthiteCuSO4 · 5H2O
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Sβ“˜ PickeringiteMgAl2(SO4)4 · 22H2O
Sβ“˜ Tschermigite(NH4)Al(SO4)2 · 12H2O
Sβ“˜ WilcoxiteMgAl(SO4)2F · 17H2O
KPotassium
Kβ“˜ K Feldspar var. AdulariaKAlSi3O8
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
Caβ“˜ GypsumCaSO4 · 2H2O
Caβ“˜ PrehniteCa2Al2Si3O10(OH)2
Caβ“˜ Synchysite-(Ce)CaCe(CO3)2F
TiTitanium
Tiβ“˜ AnataseTiO2
FeIron
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcanthiteCuSO4 · 5H2O
BaBarium
Baβ“˜ HarmotomeBa2(Si12Al4)O32 · 12H2O
CeCerium
Ceβ“˜ Synchysite-(Ce)CaCe(CO3)2F

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

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

Olimpo, Guido (1981) Ritrovamenti mineralogici nelle Valli del Gesso (Cuneo). Rivista Mineralogica Italiana, 5, 1 (1-1981), 13-18.
Piccoli, Gian Carlo (2002) Minerali delle Alpi Marittime e Cozie Provincia di Cuneo. Associazione Amici del Museo "F. Eusebio" di Alba, L'Artistica Savigliano, Savigliano (Cuneo), 362 pp.
Piccoli, Gian Carlo, and Lombardo, Bruno (2004) Il massiccio cristallino dell'Argentera. Rivista Mineralogica Italiana, 28, 1(1-2004), 6-23.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
Ciriotti, Marco E., Ferrero, Simone, Blass, GΓΌnther, and Ambrino, Piero (2008) Wilcoxite: primo ritrovamento italiano. Micro (UK report), 2-2008, 75-76.
Ciriotti, Marco E., CΓ‘mara, Fernando, Ferrero, Simone, Bracco, Roberto, Marengo, Alessandra, and Bittarello, Erica (2020) Matlockite, ramsdellite, tschermigite e un'interessante soluzione solida gadolinite-datolite Y-dominante: prime segnalazioni per la provincia di Cuneo e per il Piemonte. Micro, 18, 1-2002, 30-45.
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