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Schmorrasgrat-South, Ausserferrera, Ferrera Valley, Hinterrhein Valley, Grisons, Switzerlandi
Regional Level Types
Schmorrasgrat-South- not defined -
Ausserferrera- not defined -
Ferrera ValleyValley
Hinterrhein ValleyValley
GrisonsCanton
SwitzerlandCountry

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Key
Latitude & Longitude (WGS84):
46° 31' 58'' North , 9° 29' 52'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Andeer800 (2017)9.6km
Pignieu105 (2017)10.1km
Savognin961 (2017)10.5km
Sufers156 (2017)10.9km
Cunter194 (2017)11.0km
Name(s) in local language(s):
Schmorrasgrat-Süd, Ausserferrera (Farera), Val Ferrera (Ferreratal), Hinterrheintal, Graubünden (Grisons; Grischun; Grigioni), Schweiz (Suisse; Svizzera)


Schmorrasgrat is the name given to the ridge separating the Mulegn Valley (Mulin valley), a right side-valley of the main Ferrera Valley, from the Schmorras Valley (Val Schmorras), a minor southwestern branch of the Oberhalbstein (Surses), between Piz Settember to the north and Piz Alv to the south. The southern segment of the ridge, between Fuorcla Cotschna and Piz Alv, is called Schmorrasgrat-South.

Outcrops of silicate-rich Fe-Mn ores in Triassic dolomite marbles of the Middle Penninic Schams cover nappes. Traces of old exploitation. Swiss coordinates: 757.950/155.100 and 758.075/155.200.

Johninnesite is a locally abundant mineral which occurs in a restricted area (about 10 m) of the deposit. The host ore consists of hematite, jacobsite, quartz, dolomite, kutnohorite, and amphibole (magnesio-riebeckite), which is often brecciated so that quartz and dolomite grains up to 2 cm are embedded in a black matrix of the ore minerals. Johninnesite, that originally was thought to be a yellow amphibole, may be the main component, with minor quartz and carbonate, in discordant veins up to 5 cm in width, or it may occur as an accessory in quartz, carbonate, manganberzeliite-palenzonaite veins. Rare associated minerals in both kinds of veins are wallkilldellite, pink manganoan biotite and fluorcalcioroméite. Three johninnesite morphologies can be distinguished: fibrous crystals up to 4 cm in length, elongated perpendicular to the vein walls, which with quartz + carbonate grow synchronously to the opening of the fracture; rarely, similar veinlets containing prismatic crystals; small micaceous crystals (< 1 mm) which fill thin fractures over several square centimetres (Brugger et al., 1997).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


21 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Aegirine
Formula: NaFe3+Si2O6
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Brugger, J., Berlepsch, P. (1997): Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
'Biotite var: Manganophyllite'
Reference: Brugger, J., Berlepsch, P. (1997): Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Reference: Lapis 36 (4) (2011), p. 14 (ad)
Calderite
Formula: (Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Reference: Lapis 36 (2) (2011) p. 14; Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Caryinite
Formula: (Na,Pb)(Ca,Na)CaMn2+2(AsO4)3
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Dolomite
Formula: CaMg(CO3)2
Reference: Brugger, J., Berlepsch, P. (1997): Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Fluorcalcioroméite
Formula: (Ca,Na,◻)2Sb5+2(O,OH)6F
Reference: Roth, P. & Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler 47 (3), 8-21 (in German and French).
Hematite
Formula: Fe2O3
Reference: Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 209.; Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Jacobsite
Formula: Mn2+Fe3+2O4
Reference: Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel, 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Johninnesite
Formula: Na2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2
Reference: Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 230.; Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel., 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Kutnohorite
Formula: CaMn2+(CO3)2
Reference: Brugger, J., Berlepsch, P. (1997): Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Magnesio-riebeckite
Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Reference: Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel., 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Manganberzeliite
Formula: NaCa2Mn2+2(AsO4)3
Reference: Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 230.; Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel, 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Neotocite
Formula: (Mn,Fe,Mg)SiO3 · H2O
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Palenzonaite
Formula: (NaCa2)Mn2+2(VO4)3
Reference: Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 230; Lapis 36 (4) (2011), p. 14 (ad); Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Paraniite-(Y)
Formula: Ca2Y(AsO4)(WO4)2
Reference: Roth, P. & Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler 47 (3), 8-21 (in German and French).
Powellite
Formula: Ca(MoO4)
Reference: Roth, P. & Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler 47 (3), 8-21 (in German and French).
Pyroxmangite
Formula: MnSiO3
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Quartz
Formula: SiO2
Reference: Brugger, J., Gieré, R., Graeser, S., and Meisser, N. (1997): Contributions to Mineralogy and Petrology 127, 136-146.; Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Rhodonite
Formula: Mn2+SiO3
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
'Roméite Group'
Formula: A2(Sb5+)2O6Z
Reference: Brugger, J., Gieré, R., Graeser, S., and Meisser, N. (1997): Contributions to Mineralogy and Petrology 127, 136-146.; Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
Tephroite
Formula: Mn2+2SiO4
Reference: Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Wallkilldellite
Formula: Ca2Mn2+3(AsO4)2(OH)4 · 9H2O
Reference: Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Jacobsite4.BB.05Mn2+Fe3+2O4
Quartz4.DA.05SiO2
'Roméite Group'4.DH.A2(Sb5+)2O6Z
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Kutnohorite5.AB.10CaMn2+(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Paraniite-(Y)7.GA.15Ca2Y(AsO4)(WO4)2
Powellite7.GA.05Ca(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Caryinite8.AC.10(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3
Manganberzeliite8.AC.25NaCa2Mn2+2(AsO4)3
Palenzonaite8.AC.25(NaCa2)Mn2+2(VO4)3
Wallkilldellite8.DL.20Ca2Mn2+3(AsO4)2(OH)4 · 9H2O
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Calderite9.AD.25(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Johninnesite9.DH.70Na2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2
Magnesio-riebeckite9.DE.25◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Neotocite9.ED.20(Mn,Fe,Mg)SiO3 · H2O
Pyroxmangite9.DO.05MnSiO3
Rhodonite9.DK.05Mn2+SiO3
Tephroite9.AC.05Mn2+2SiO4
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'var: Manganophyllite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fluorcalcioroméite-(Ca,Na,◻)2Sb5+2(O,OH)6F

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Jacobsite7.2.2.2Mn2+Fe3+2O4
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Kutnohorite14.2.1.3CaMn2+(CO3)2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)5(XO4)3
Caryinite38.2.2.1(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3
Manganberzeliite38.2.1.2NaCa2Mn2+2(AsO4)3
Palenzonaite38.2.1.3(NaCa2)Mn2+2(VO4)3
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Roméite Group'44.1.1.3A2(Sb5+)2O6Z
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES
Compound Molybdates and Tungstates
Paraniite-(Y)49.4.7.1Ca2Y(AsO4)(WO4)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Tephroite51.3.1.4Mn2+2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Calderite51.4.3a.6(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Single-Width Unbranched Chains, W=1 with chains P=7
Pyroxmangite65.6.1.1MnSiO3
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Johninnesite69.2.5.1Na2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Neotocite71.1.5.4(Mn,Fe,Mg)SiO3 · H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'var: Manganophyllite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fluorcalcioroméite-(Ca,Na,◻)2Sb5+2(O,OH)6F
Magnesio-riebeckite-◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Wallkilldellite-Ca2Mn2+3(AsO4)2(OH)4 · 9H2O

List of minerals for each chemical element

HHydrogen
H JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
H WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
H Neotocite(Mn,Fe,Mg)SiO3 · H2O
H Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
H Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CCarbon
C DolomiteCaMg(CO3)2
C KutnohoriteCaMn2+(CO3)2
OOxygen
O HematiteFe2O3
O JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
O ManganberzeliiteNaCa2Mn22+(AsO4)3
O Palenzonaite(NaCa2)Mn22+(VO4)3
O Roméite GroupA2(Sb5+)2O6Z
O QuartzSiO2
O Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
O BrauniteMn2+Mn63+(SiO4)O8
O JacobsiteMn2+Fe23+O4
O RhodoniteMn2+SiO3
O TephroiteMn22+SiO4
O PyroxmangiteMnSiO3
O AegirineNaFe3+Si2O6
O WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
O Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
O Neotocite(Mn,Fe,Mg)SiO3 · H2O
O Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
O Paraniite-(Y)Ca2Y(AsO4)(WO4)2
O PowelliteCa(MoO4)
O Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O DolomiteCaMg(CO3)2
O KutnohoriteCaMn2+(CO3)2
FFluorine
F Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
Na ManganberzeliiteNaCa2Mn22+(AsO4)3
Na Palenzonaite(NaCa2)Mn22+(VO4)3
Na AegirineNaFe3+Si2O6
Na Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
Na Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Na Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
MgMagnesium
Mg JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
Mg Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mg Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
Si QuartzSiO2
Si Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Si BrauniteMn2+Mn63+(SiO4)O8
Si RhodoniteMn2+SiO3
Si TephroiteMn22+SiO4
Si PyroxmangiteMnSiO3
Si AegirineNaFe3+Si2O6
Si Neotocite(Mn,Fe,Mg)SiO3 · H2O
Si Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca ManganberzeliiteNaCa2Mn22+(AsO4)3
Ca Palenzonaite(NaCa2)Mn22+(VO4)3
Ca Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Ca WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
Ca Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
Ca Paraniite-(Y)Ca2Y(AsO4)(WO4)2
Ca PowelliteCa(MoO4)
Ca Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
Ca DolomiteCaMg(CO3)2
Ca KutnohoriteCaMn2+(CO3)2
VVanadium
V Palenzonaite(NaCa2)Mn22+(VO4)3
MnManganese
Mn JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
Mn ManganberzeliiteNaCa2Mn22+(AsO4)3
Mn Palenzonaite(NaCa2)Mn22+(VO4)3
Mn Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn JacobsiteMn2+Fe23+O4
Mn RhodoniteMn2+SiO3
Mn TephroiteMn22+SiO4
Mn PyroxmangiteMnSiO3
Mn WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
Mn Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
Mn Neotocite(Mn,Fe,Mg)SiO3 · H2O
Mn KutnohoriteCaMn2+(CO3)2
FeIron
Fe HematiteFe2O3
Fe Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Fe JacobsiteMn2+Fe23+O4
Fe AegirineNaFe3+Si2O6
Fe Neotocite(Mn,Fe,Mg)SiO3 · H2O
Fe Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AsArsenic
As JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
As ManganberzeliiteNaCa2Mn22+(AsO4)3
As WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
As Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3
As Paraniite-(Y)Ca2Y(AsO4)(WO4)2
YYttrium
Y Paraniite-(Y)Ca2Y(AsO4)(WO4)2
MoMolybdenum
Mo PowelliteCa(MoO4)
SbAntimony
Sb Roméite GroupA2(Sb5+)2O6Z
Sb Fluorcalcioroméite(Ca,Na,◻)2Sb25+(O,OH)6F
DyDysprosium
Dy Paraniite-(Y)Ca2Y(AsO4)(WO4)2
WTungsten
W Paraniite-(Y)Ca2Y(AsO4)(WO4)2
PbLead
Pb Caryinite(Na,Pb)(Ca,Na)CaMn22+(AsO4)3

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brugger J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel. 188 p.
Roth, P., Meisser, N. (2013): Die seltenen Mineralien der Bündner Manganvorkommen. Schweizer Strahler, 47, (3), 8-21 (in German and French).
Brugger, J., Berlepsch, P. (1997): Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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