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Cavradi gorge, Val Curnera, Tujetsch, Surselva Region, Grisons, Switzerlandi
Regional Level Types
Cavradi gorgeGorge
Val CurneraValley
TujetschMunicipality
Surselva RegionRegion
GrisonsCanton
SwitzerlandCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
46° 38' 39'' North , 8° 42' 33'' East
Latitude & Longitude (decimal):
46.64417,8.70917
GeoHash:
G#: u0q1q5mcf
GRN:
N32E05
Type:
Gorge
Köppen climate type:
ET : Tundra
Nearest Settlements:
PlacePopulationDistance
Andermatt1,258 (2013)8.8km
Göschenen464 (2013)9.7km
Wassen464 (2013)10.9km
Gurtnellen666 (2017)12.1km
Disentis2,193 (2017)12.7km
Mindat Locality ID:
3213
Long-form identifier:
mindat:1:2:3213:4
GUID (UUID V4):
8ee2459b-a088-43d8-bc83-b75b6c97c293
Name(s) in local language(s):
Cavradischlucht, Val Curnera, Tujetsch (Tavetsch), Vorderrheintal, Graubünden (Grisons; Grischun), Schweiz (Suisse; Svizzera)


The Cavradi gorge forms the northern exit of the Val Curnera.

The central part of the gorge cuts through Permian and Carboniferous rocks of the Urseren-Gavera zone, belonging to the Gotthard massif. These rocks consist of mica schists and gneisses that contain zones with a high concentration of Alpine-type fissures. The famous iron rose specimens with epitactically overgrown rutile and copper minerals (djurleite, digenite, etc.) come from this part of the gorge.

To the north, the gorge cuts through gneisses of the "Tavetscher Zwischenmassiv" with differing mineralization ("anatase zone") that also contains a lot of Alpine-type fissures.

To the south, close to the Lai da Curnera reservoir, paragneisses of the Gotthard massif are exposed; these rocks are relatively poor in pockets and minerals. (Hager et al. 2013)

NOTE: The grid reference is centered on the area.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


34 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:

ⓘ 'Aeschynite'
ⓘ Aikinite
Formula: PbCuBiS3
ⓘ Anatase
Formula: TiO2
ⓘ Anilite
Formula: Cu7S4
Habit: Masses to 20 cm across, and pseudomorphs after chalcocite or digenite
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Aragonite
Formula: CaCO3
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Baryte
Formula: BaSO4
ⓘ Bergslagite
Formula: CaBeAsO4(OH)
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ Cervelleite
Formula: Ag4TeS
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Digenite
Formula: Cu9S5
Habit: Cubooctahedrons to 1 cm along the edges.
ⓘ Djurleite
Formula: Cu31S16
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Geerite
Formula: Cu8S5
ⓘ Gold
Formula: Au
✪ Hematite
Formula: Fe2O3
Description: Crystals on smoky quartz, 2.5 inches
ⓘ Hematite var. Martite
Formula: Fe2O3
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ 'Pearceite-T2ac'
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Quartz Gwindel
Formula: SiO2
References:
Yaiba Sakaguchi
ⓘ Quartz var. Rock Crystal
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
Description: Hematite crystals on smoky quartz, 2.5 inches
ⓘ Rutile
Formula: TiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Siderite
Formula: FeCO3
ⓘ Silver
Formula: Ag
ⓘ Spionkopite
Formula: Cu39S28
ⓘ Stromeyerite
Formula: AgCuS
ⓘ Strontianite
Formula: SrCO3
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Xenotime-(Y)
Formula: Y(PO4)

Gallery:

TiO2ⓘ Anatase
CaCO3ⓘ Aragonite
Cu3(CO3)2(OH)2ⓘ Azurite
CaCO3ⓘ Calcite
Ca5(PO4)3Fⓘ Fluorapatite
Fe2O3ⓘ Hematite
KAlSi3O8ⓘ 'K Feldspar var. Adularia'
Cu2(CO3)(OH)2ⓘ Malachite
Ce(PO4)ⓘ Monazite-(Ce)
SiO2ⓘ Quartz
SiO2ⓘ Quartz var. Quartz Gwindel
SiO2ⓘ Quartz var. Smoky Quartz
TiO2ⓘ Rutile
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)ⓘ Schorl
FeCO3ⓘ Siderite
SrCO3ⓘ Strontianite
AD3G6 (T6O18)(BO3)3X3Zⓘ 'Tourmaline'
Y(PO4)ⓘ Xenotime-(Y)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘSilver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘGeerite2.BA.05Cu8S5
ⓘDjurleite2.BA.05Cu31S16
ⓘDigenite2.BA.10Cu9S5
ⓘAnilite2.BA.10Cu7S4
ⓘBornite2.BA.15Cu5FeS4
ⓘStromeyerite2.BA.40AgCuS
ⓘCervelleite2.BA.60Ag4TeS
ⓘSpionkopite2.CA.05cCu39S28
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘAikinite2.HB.05aPbCuBiS3
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite
var. Martite		4.CB.05Fe2O3
ⓘ4.CB.05Fe2O3
ⓘQuartz
var. Smoky Quartz		4.DA.05SiO2
ⓘvar. Rock Crystal4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Quartz Gwindel4.DA.05SiO2
ⓘvar. Amethyst4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
ⓘBrookite4.DD.10TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘStrontianite5.AB.15SrCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘBergslagite8.BA.10CaBeAsO4(OH)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified
ⓘ'K Feldspar'-
ⓘ'Aeschynite'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Pearceite-T2ac'-
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BergslagiteCaBeAsO4(OH)
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beⓘ BergslagiteCaBeAsO4(OH)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AragoniteCaCO3
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
Cⓘ StrontianiteSrCO3
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnataseTiO2
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ AragoniteCaCO3
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BaryteBaSO4
Oⓘ BergslagiteCaBeAsO4(OH)
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Hematite var. MartiteFe2O3
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SideriteFeCO3
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ StrontianiteSrCO3
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Quartz var. Rock CrystalSiO2
Oⓘ Quartz var. Quartz GwindelSiO2
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
NaSodium
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ Quartz var. AmethystSiO2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ Quartz var. Rock CrystalSiO2
Siⓘ Quartz var. Quartz GwindelSiO2
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ AikinitePbCuBiS3
Sⓘ AniliteCu7S4
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ CervelleiteAg4TeS
Sⓘ ChalcopyriteCuFeS2
Sⓘ DigeniteCu9S5
Sⓘ DjurleiteCu31S16
Sⓘ GalenaPbS
Sⓘ GeeriteCu8S5
Sⓘ SpionkopiteCu39S28
Sⓘ StromeyeriteAgCuS
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ AragoniteCaCO3
Caⓘ BergslagiteCaBeAsO4(OH)
Caⓘ CalciteCaCO3
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BrookiteTiO2
Tiⓘ RutileTiO2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Hematite var. MartiteFe2O3
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ AikinitePbCuBiS3
Cuⓘ AniliteCu7S4
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ DigeniteCu9S5
Cuⓘ DjurleiteCu31S16
Cuⓘ GeeriteCu8S5
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ SpionkopiteCu39S28
Cuⓘ StromeyeriteAgCuS
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
AsArsenic
Asⓘ BergslagiteCaBeAsO4(OH)
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
SrStrontium
Srⓘ StrontianiteSrCO3
YYttrium
Yⓘ Xenotime-(Y)Y(PO4)
AgSilver
Agⓘ CervelleiteAg4TeS
Agⓘ SilverAg
Agⓘ StromeyeriteAgCuS
TeTellurium
Teⓘ CervelleiteAg4TeS
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
AuGold
Auⓘ GoldAu
PbLead
Pbⓘ AikinitePbCuBiS3
Pbⓘ GalenaPbS
BiBismuth
Biⓘ AikinitePbCuBiS3

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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

Mineral News (xxxx) 6(3), 1-2.
Koenigsberger, J.G. (1940) Die zentralalpinen Minerallagerstätten, Wepf und Co. Verlag, Basel.
Kipfer, A. (1974) Ein neues Hobby: Kleinmineralien sammeln und präparieren. Franckh'sche Verlagshandlung, W. Keller & Co., Stuttgart, 64 pages [photo of hematite and rutile epitaxy from the locality on pages 30 and 55] (in German).
Bonanomi, Y.-P. (1989) Geologie, Petrographie und Mineralogie der Region Nalps-Cavradi. Diploma Thesis at ETH Zürich, 106 pages.
Bonanomi, Y.-P. (1990) Die Erzmineralien der Cavradi-Schlucht. Schweizer Strahler, 8, 470-479.
Graeser, S. (1998) Alpine minerals: a review of the most famous localities of the Central Swiss Alps. Rocks and Minerals, 73, 14-32.
Jahn, S. (2003) Die Cavradi-Schlucht. Mineralien-Welt, 14(6), 18-38.
Sialm-Bossard, V. (2006) Eine außerordentliche Kluft in Cavradi. Schweizer Strahler, 1, 11-20.
Hager, C., Mattis, J., Reith, P., Venzin, T. (2013) Cavradi. Publisher Jochen Mattis, Reinach, Switzerland. 216 pages (in German and English).
Reith, P., Venzin, T. (2016) Strahler und Klüfte der Cavradischlucht, Schweiz. Lapis, 41(7-8), 12-31.
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