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Crodo gneiss quarries, Crodo, Verbano-Cusio-Ossola Province, Piedmont, Italyi
Regional Level Types
Crodo gneiss quarriesGroup of Quarries
CrodoCommune
Verbano-Cusio-Ossola ProvinceProvince
PiedmontRegion
ItalyCountry

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Type:
Group of Quarries
Mindat Locality ID:
264087
Long-form identifier:
mindat:1:2:264087:0
GUID (UUID V4):
0
Other Languages:
Italian:
Cave di gneiss di Crodo, Crodo, Provincia del Verbano-Cusio-Ossola, Piemonte, Italia


Minerals are found inside Alpine fissures in gneiss of the Antigorio nappe.

Gneiss quarries are located on both right (Rencio-Molinetto area) and left (Case Gianzana-Alpiano-Marlogno area) sides of Antigorio Valley, S of Crodo, and produce a dimension stone commercially known a “Serizzo Antigorio”.

Gneiss quarrying in the municipal territory of Crodo begun in the 1930s. According to the survey of Corpo Reale delle Miniere of Turin, three quarries were in operation in 1934: Rencio quarry, operated by Carlo Negri; “Al piano di fuori” quarry, operated by Romolo Pirovano and Enrico Pelganta; “Molinetto e Castello” quarry, operated by Federico Gionzini. In 1966, there were only three active quarries (i.e.: Rencio Castello quarry, operated by Maffioli company; Rencio Molinetto quarry, operated by Gionzini company; Rencio Superiore quarry, operated by Negri company), but in the coming years the number of active quarries sensibly increased. In 1977, seven quarries were in activity: Rencio Molinetto quarry, operated by Ezio Gionzini; Molinetto quarry operated by Angelo Grigioli; Rencio Castello quarry, operated by Graniti Maffioli; Rencio Superiore quarry, operated by Gianfranco Pesenti; Al Piano Inferiore quarry, operated by Fratelli Moro; Mozzio quarry, operated by Partorenti & Marabini; Al Piano Superiore, operated by Angelo Crusignani. In 2007, the number of active quarries amounted to eight (Casaccia Inferiore, Casaccia Superiore, Case Gianzana, Cusina, Marlogno, Rencio Molinetto, and Rencio Superiore). At the beginning of 2015 the authorised active quarries are: Rencio Molinetto quarry, operated by Cave Marmi Vallestrona S.r.l.; Rencio Superiore quarry, operated by “Negri Carlo” company; Casa Gianzana quarry, operated by Geograniti S.r.l.; Marlogno Superiore quarry, operated by Pro-De S.r.l. (http://www.regione.piemonte.it/industria/cave/cave_op.htm).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

21 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ Anatase
Formula: TiO2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Babingtonite
Formula: Ca2Fe2+Fe3+Si5O14(OH)
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
ⓘ 'Chlorite Group'
ⓘ 'Clinoptilolite Subgroup' ?
Formula: (Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Sulphur
Formula: S8
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Scolecite
Formula: CaAl2Si3O10 · 3H2O
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Synchysite-(Ce)
Formula: CaCe(CO3)2F
ⓘ Titanite
Formula: CaTi(SiO4)O

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSynchysite-(Ce)5.BD.20cCaCe(CO3)2F
Group 9 - Silicates
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘBabingtonite9.DK.05Ca2Fe2+Fe3+Si5O14(OH)
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘScolecite9.GA.05CaAl2Si3O10 · 3H2O
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
Unclassified
ⓘ'K Feldspar
var. Adularia'
-KAlSi3O8
ⓘ'Chabazite'-
ⓘ'Chlorite Group'-
ⓘ'Clinoptilolite Subgroup' ?-(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'K Feldspar'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ BabingtoniteCa2Fe2+Fe3+Si5O14(OH)
Hⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ ScoleciteCaAl2Si3O10 · 3H2O
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Synchysite-(Ce)CaCe(CO3)2F
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ AnataseTiO2
Oⓘ BabingtoniteCa2Fe2+Fe3+Si5O14(OH)
Oⓘ CalciteCaCO3
Oⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ IlmeniteFe2+TiO3
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ScoleciteCaAl2Si3O10 · 3H2O
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ Synchysite-(Ce)CaCe(CO3)2F
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ FluoriteCaF2
Fⓘ Synchysite-(Ce)CaCe(CO3)2F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ ScoleciteCaAl2Si3O10 · 3H2O
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ BabingtoniteCa2Fe2+Fe3+Si5O14(OH)
Siⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ ScoleciteCaAl2Si3O10 · 3H2O
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ TitaniteCaTi(SiO4)O
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ Native SulphurS8
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ BabingtoniteCa2Fe2+Fe3+Si5O14(OH)
Caⓘ CalciteCaCO3
Caⓘ Clinoptilolite Subgroup(Na/Ca/K)3-6[Al6-7Si29-30O72] · 20H2O
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ ScoleciteCaAl2Si3O10 · 3H2O
Caⓘ Synchysite-(Ce)CaCe(CO3)2F
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ BabingtoniteCa2Fe2+Fe3+Si5O14(OH)
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyriteFeS2
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Synchysite-(Ce)CaCe(CO3)2F
PbLead
Pbⓘ GalenaPbS

Fossils

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Localities in this Region

  • Piedmont

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
Europe
Italy

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