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Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas), Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland i
Regional Level Types
Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas) Gorge
Sedrun Village
Tujetsch Municipality
Surselva Region Region
Grisons Canton
Switzerland Country

Regional Level Types
Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas)	Gorge
Sedrun	Village
Tujetsch	Municipality
Surselva Region	Region
Grisons	Canton
Switzerland	Country

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Overview on Sedrun village from Druntobel

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Quite steep slopes of Druntobel locality. July 2013

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Druntobel

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Overview on Sedrun village from Druntobel

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Quite steep slopes of Druntobel locality. July 2013

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Druntobel

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Overview on Sedrun village from Druntobel

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Quite steep slopes of Druntobel locality. July 2013

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Latitude & Longitude (WGS84):

46° 41' 25'' North , 8° 46' 28'' East

Latitude & Longitude (decimal):

Type:

Köppen climate type:

Nearest Settlements:

Place	Population	Distance
Disentis	2,193 (2017)	6.0km
Gurtnellen	666 (2017)	12.4km
Silenen	2,243 (2013)	13.4km
Wassen	464 (2013)	13.5km
Surrein	250 (2017)	13.8km

Mindat Locality ID:

29362

Long-form identifier:

mindat:1:2:29362:1

GUID (UUID V4):

Other Languages:

German:

Druntobel (Drun Tobel; Drun Sedrun; Krüzlital; Krüzlithal; Kreuzlipass; Ruinas Plaunas), Sedrun, Tujetsch, Region Surselva, Graubünden, Schweiz

A narrow and steep erosion gorge north of Sedrun, which leads up to the locality "Cuolm da Vi".
Clefts in amphibolite and gneiss.

The type locality of "Sphene" (Hauy, 1801).

NOTE: The grid reference is centered on the area.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

21 valid minerals.

Detailed Mineral List:

ⓘ Actinolite

Formula: ◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Anatase

Formula: TiO₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Brookite

Formula: TiO₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Calcite

Formula: CaCO₃

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ 'Chabazite'

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ 'Chlorite Group'

References:

Jordi Fabre specimen

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Galena

Formula: PbS

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Heulandite-Ca

Formula: (Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ 'K Feldspar'

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Stalder, H.A., Wagner, A., Graeser, S., Stuker, P. (1998) Mineralienlexikon der Schweiz. Wepf.p.22

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi₃O₈

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Stalder, H.A., Wagner, A., Graeser, S., Stuker, P. (1998) Mineralienlexikon der Schweiz. Wepf.p.22

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Laumontite

Formula: CaAl₂Si₄O₁₂ · 4H₂O

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Milarite

Formula: K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Phenakite

Formula: Be₂SiO₄

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Pyrite

Formula: FeS₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Quartz

Formula: SiO₂

References:

Weibel, Max (1956) Über Titanit von Graubünden. Untersuchungen an Kristallen von der Muotta Naira und vom Tobel Drun. Heidelberger Beiträge zur Mineralogie und Petrographie, 5 (4). 373-378 doi:10.1007/bf01115660

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Quartz var. Quartz Gwindel

Formula: SiO₂

References:

www.mindat.org (n.d.) https://www.mindat.org/photo-73973.html

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

References:

Jordi Fabre specimen

ⓘ Rutile

Formula: TiO₂

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Sphalerite

Formula: ZnS

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Stilbite-Ca

Formula: NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

✪ Titanite

Formula: CaTi(SiO₄)O

References:

Weibel, M. (1957): Contributions to Mineralogy and Petrology 5, 373-378.

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

ⓘ Wulfenite

Formula: Pb(MoO₄)

References:

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

Gallery:

◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂ⓘ Actinolite

Actinolite, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Actinolite, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Actinolite, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

KAlSi₃O₈ⓘ 'K Feldspar var. Adularia'

Adularia, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Adularia, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Adularia, etc.

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

SiO₂ⓘ Quartz var. Smoky Quartz

Smoky Quartz

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Smoky Quartz

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

Smoky Quartz

Druntobel, Sedrun, Tujetsch, Surselva Region, Grisons, Switzerland

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	var. Quartz Gwindel	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Wulfenite	7.GA.05	Pb(MoO₄)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
Group 9 - Silicates
ⓘ	Phenakite	9.AA.05	Be₂SiO₄
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Milarite	9.CM.05	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Heulandite-Ca	9.GE.05	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
ⓘ	Stilbite-Ca	9.GE.10	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Unclassified
ⓘ	'K Feldspar var. Adularia'	-	KAlSi₃O₈
ⓘ	'Chabazite'	-
ⓘ	'Chlorite Group'	-
ⓘ	'K Feldspar'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
H	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
H	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Be	Beryllium
Be	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Be	ⓘ Phenakite	Be₂SiO₄
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Anatase	TiO₂
O	ⓘ Brookite	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Phenakite	Be₂SiO₄
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Wulfenite	Pb(MoO₄)
O	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
O	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Quartz var. Quartz Gwindel	SiO₂
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Na	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Al	Aluminium
Al	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Al	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Al	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Si	ⓘ Phenakite	Be₂SiO₄
Si	ⓘ Quartz	SiO₂
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Si	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Si	ⓘ Quartz var. Quartz Gwindel	SiO₂
P	Phosphorus
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
K	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Ca	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Mo	Molybdenum
Mo	ⓘ Wulfenite	Pb(MoO₄)
Ce	Cerium
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Pb	Lead
Pb	ⓘ Galena	PbS
Pb	ⓘ Wulfenite	Pb(MoO₄)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

AlpsAccretionary Complex

EuropeContinent

The AlpsMountain Range

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

Stalder, H.A. (1988) Phenakit aus dem Druntobel. Schweizer Strahler: 8(12): 83-85 (in German and French).

Jahn, S. (2008) Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt: 19(3): 42-67 (in German).

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