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Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italyi
Regional Level Types
Grignaschi QuarryQuarry (Abandoned)
Cosasca- not defined -
TrontanoCommune
Verbano-Cusio-Ossola ProvinceProvince
PiedmontRegion
ItalyCountry
Grignaschi Quarry, Cosasca, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

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PhotosMapsSearch
02372110017272060318528.jpg
How Grignaschi dismissed quarry appears today

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
08958710017272060315309.jpg
Almandine

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
07888220017272060328142.jpg
Uraninite

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
02372110017272060318528.jpg
How Grignaschi dismissed quarry appears today

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
02416610017272002475829.jpg
Almandine

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
05722180017272022343339.jpg
Uraninite

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
06392600017272060337557.jpg
How Grignaschi dismissed quarry appears today

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
02416610017272002475829.jpg
Almandine

Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Latitude & Longitude (WGS84):
46° 6' 29'' North , 8° 18' 53'' East
Latitude & Longitude (decimal):
46.10806,8.31500
GeoHash:
G#: u0jym1wyc
GRN:
N31E05
Type:
Quarry (Abandoned) - last checked 2020
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Croppo727 (2014)0.8km
Cosa152 (2014)1.3km
Domodossola17,778 (2014)1.9km
Quarata180 (2014)2.0km
Trontano465 (2014)2.1km
Mindat Locality ID:
29934
Long-form identifier:
mindat:1:2:29934:2
GUID (UUID V4):
0
Name(s) in local language(s):
Cava Grignaschi, Cosasca, Trontano, Val d'Ossola, Provincia del Verbano-Cusio-Ossola, Piemonte, Italia


Abandoned gneiss quarry with pegmatite dykes.

This locality is located at 260 m a.s.l. in the main valley between Beura and Domodossola, but included in the municipality of Trontano.

Crystals of bluish beryl, sometimes with inclusions of spinel and chlorite, in association with K-feldspar, albite, quartz, biotite, muscovite, and tourmaline were first described by Lincio (1905).

All the red "microlite" crystals, more or less dark in colour, analysed by Vignola et al. (2018) are ascribable to a hydroxycalciomicrolite very rich in fluorine.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


26 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
ⓘ Bavenite
Formula: Ca4Be2Al2Si9O26(OH)2
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Chlorite Group'
ⓘ Chrysoberyl
Formula: BeAl2O4
Description: The real locality where chrysoberyl has been found is Campaccio, located above Grignaschi quarry.
ⓘ 'Columbite-Tantalite'
ⓘ Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘ Gahnite
Formula: ZnAl2O4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Hydroxycalciomicrolite
Formula: Ca1.5Ta2O6(OH)
ⓘ 'K Feldspar'
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ 'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ⓘ Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Spinel
Formula: MgAl2O4
ⓘ Tantalite-(Fe)
Formula: Fe2+Ta2O6
ⓘ Tanteuxenite-(Y) ?
Formula: Y(Ta,Nb,Ti)2(O,OH)6
ⓘ Tapiolite-(Fe)
Formula: Fe2+Ta2O6
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2
ⓘ 'Uranmicrolite (of Hogarth 1977)'
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
ⓘ Xenotime-(Y)
Formula: Y(PO4)
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘChrysoberyl ?4.BA.05BeAl2O4
ⓘGahnite4.BB.05ZnAl2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
ⓘTapiolite-(Fe)4.DB.10Fe2+Ta2O6
ⓘTantalite-(Fe)4.DB.35Fe2+Ta2O6
ⓘEuxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘTanteuxenite-(Y) ?4.DG.05Y(Ta,Nb,Ti)2(O,OH)6
ⓘHydroxycalciomicrolite4.DH.15Ca1.5Ta2O6(OH)
ⓘUraninite4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘVivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘBavenite9.DF.25Ca4Be2Al2Si9O26(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
Unclassified
ⓘ'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'		-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Uranmicrolite (of Hogarth 1977)'-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Columbite-Tantalite'-
ⓘ'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Hⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ HydroxycalciomicroliteCa1.5Ta2O6(OH)
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Beⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ ChrysoberylBeAl2O4
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ ChrysoberylBeAl2O4
Oⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Oⓘ Tantalite-(Fe)Fe2+Ta2O6
Oⓘ Tapiolite-(Fe)Fe2+Ta2O6
Oⓘ GahniteZnAl2O4
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SpinelMgAl2O4
Oⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Oⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ ZirconZr(SiO4)
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ HydroxycalciomicroliteCa1.5Ta2O6(OH)
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ChrysoberylBeAl2O4
Alⓘ GahniteZnAl2O4
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ ZirconZr(SiO4)
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Pⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
Pⓘ Xenotime-(Y)Y(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ ArsenopyriteFeAsS
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ BaveniteCa4Be2Al2Si9O26(OH)2
Caⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Caⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ ScheeliteCa(WO4)
Caⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ HydroxycalciomicroliteCa1.5Ta2O6(OH)
TiTitanium
Tiⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Tiⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Tantalite-(Fe)Fe2+Ta2O6
Feⓘ Tapiolite-(Fe)Fe2+Ta2O6
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ VivianiteFe2+Fe22+(PO4)2 · 8H2O
CuCopper
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Znⓘ GahniteZnAl2O4
AsArsenic
Asⓘ ArsenopyriteFeAsS
YYttrium
Yⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Yⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Yⓘ Xenotime-(Y)Y(PO4)
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nbⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nbⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Nbⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
CeCerium
Ceⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Taⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Taⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Taⓘ Tantalite-(Fe)Fe2+Ta2O6
Taⓘ Tapiolite-(Fe)Fe2+Ta2O6
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
Taⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Taⓘ HydroxycalciomicroliteCa1.5Ta2O6(OH)
WTungsten
Wⓘ ScheeliteCa(WO4)
ThThorium
Thⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Uⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2
Uⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
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

Lincio, G. (1905) Sul berillo di Vall'Antoliva e di Cosasca. Atti della Reale Accademia delle Scienze di Torino: 40 (1904-1905): 870-879.
De Michele, V. (1967) Bavenite nella pegmatite di Cava Grignaschi (val d'Ossola). Atti della Societa Italiana di Scienze Naturali: 106: 171-179.
Mattioli, V. (1974) Bavenite delle pegmatiti ossolane. Notizie del Gruppo Mineralogico Lombardo: 5(2) (June 1974): 38-41.
De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.
Mattioli, V. (1979) Minerali Ossolani. Ed. Arti Grafiche Medesi, Milano, 268 pages
Boscardin, M., Mattioli, V., Pierini, G. C. (1982) Mikrolith und Columbit [Microlite and columbite]. Lapis, 7 (3) 17-19with analysis of one columbite and one pyrochlore group mineral from Grignaschi quarry
De Battisti, L. (1996) Bertrandite di Cava Grignaschi, Trontano, VB. Rivista Mineralogica Italiana: 20(3) (3-1996): 279-281.
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.
Vignola, Pietro, Risplendente, Andrea, Philippo, Simon, and Vanini, Francesco (2018) Sulla chimica dei minerali del gruppo della microlite provenienti da alcune pegmatiti ossolane. Giornate Mineralogiche di Tavagnasco GMT 2018, Tavagnasco, October 19 and 20, 2018.
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