Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerlandi
Regional Level Types
Erzmatt- not defined -
BuusMunicipality
SissachDistrict
Basel-LandschaftCanton
SwitzerlandCountry

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PhotosMapsSearch
06208830017272024794852.jpg
Explanation board of the uniqueness of Erzmatt (detail)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
01197320017272059533309.jpg
Explanation board of the uniqueness of Erzmatt field (Detail II)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
07263610017272059532934.jpg
Erzmatt field, Buus, Canton of Basel Land, Switzerland

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
04308320017272059544423.jpg
Erzmatt, Buus, Canton Basel Land, Switzerland

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
06208830017272024794852.jpg
Explanation board of the uniqueness of Erzmatt (detail)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
01197320017272059533309.jpg
Explanation board of the uniqueness of Erzmatt field (Detail II)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
07263610017272059532934.jpg
Erzmatt field, Buus, Canton of Basel Land, Switzerland

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
04308320017272059544423.jpg
Erzmatt, Buus, Canton Basel Land, Switzerland

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
09353980017272024911462.jpg
Explanation board of the uniqueness of Erzmatt (detail)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
01092420017272059553323.jpg
Explanation board of the uniqueness of Erzmatt field (Detail II)

Erzmatt, Buus, Sissach, Basel-Landschaft, Switzerland
Latitude & Longitude (WGS84):
47° 30' 20'' North , 7° 51' 7'' East
Latitude & Longitude (decimal):
47.50562,7.85212
GRN:
N32E04
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Buus1,005 (2017)0.9km
Maisprach933 (2017)2.2km
Magden3,433 (2013)4.0km
Zuzgen863 (2013)4.2km
Ormalingen1,803 (2017)4.3km
Mindat Locality ID:
271093
Long-form identifier:
mindat:1:2:271093:1
GUID (UUID V4):
0
Other Languages:
German:
Erzmatt, Buus, Bezirk Sissach, Kanton Basel-Landschaft, Schweiz


As- and Tl-enriched soil related to the gossan zone of a primary mineralisation hosted by a carbonate rock. All minerals are microscopic.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


20 valid minerals.

Detailed Mineral List:

ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Arseniosiderite
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
ⓘ Avicennite
Formula: Tl2O3
ⓘ Bariopharmacosiderite
Formula: Ba0.5Fe3+4(AsO4)3(OH)4 · 5H2O
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dorallcharite ?
Formula: TlFe3+3(SO4)2(OH)6
Description: Unclear if Tl>K.
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
References:
PXRD: C. Biagioni, Pisa (I), Nov. 2025Identified by Philippe Roth (2): XRD, SEM-EDS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ 'Limonite'
ⓘ 'Manganese Oxides'
ⓘ Marcasite
Formula: FeS2
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
References:
P. Roth, Feb. 2020
ⓘ Rutile
Formula: TiO2
ⓘ Scorodite
Formula: Fe3+AsO4 · 2H2O
ⓘ Thalliumpharmacosiderite
Formula: TlFe4[(AsO4)3(OH)4] · 4H2O
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Yukonite ?
Formula: Ca3Fe3+(AsO4)2(OH)3 · 5H2O
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘAvicennite4.CB.10Tl2O3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘDorallcharite ?7.BC.10TlFe3+3(SO4)2(OH)6
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘScorodite8.CD.10Fe3+AsO4 · 2H2O
ⓘArseniosiderite8.DH.30Ca2Fe3+3(AsO4)3O2 · 3H2O
ⓘBariopharmacosiderite8.DK.10Ba0.5Fe3+4(AsO4)3(OH)4 · 5H2O
ⓘThalliumpharmacosiderite8.DK.10TlFe4[(AsO4)3(OH)4] · 4H2O
ⓘYukonite ?8.DM.25Ca3Fe3+(AsO4)2(OH)3 · 5H2O
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Manganese Oxides'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Hⓘ BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
Hⓘ DorallchariteTlFe33+(SO4)2(OH)6
Hⓘ GoethiteFe3+O(OH)
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ScoroditeFe3+AsO4 · 2H2O
Hⓘ YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2O
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Oⓘ AvicenniteTl2O3
Oⓘ BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DorallchariteTlFe33+(SO4)2(OH)6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GoethiteFe3+O(OH)
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ScoroditeFe3+AsO4 · 2H2O
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
Oⓘ ZirconZr(SiO4)
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2O
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
AlAluminium
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ DorallchariteTlFe33+(SO4)2(OH)6
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Feⓘ BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
Feⓘ DorallchariteTlFe33+(SO4)2(OH)6
Feⓘ GoethiteFe3+O(OH)
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ ScoroditeFe3+AsO4 · 2H2O
Feⓘ YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
Feⓘ ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2O
AsArsenic
Asⓘ ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Asⓘ BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
Asⓘ ScoroditeFe3+AsO4 · 2H2O
Asⓘ YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
Asⓘ ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
BaBarium
Baⓘ BariopharmacosideriteBa0.5Fe43+(AsO4)3(OH)4 · 5H2O
Baⓘ BaryteBaSO4
TlThallium
Tlⓘ AvicenniteTl2O3
Tlⓘ DorallchariteTlFe33+(SO4)2(OH)6
Tlⓘ ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4] · 4H2O

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

Voegelin, A., Pfenninger, N., Petrikis, J., Majzlan, J., Plötze, M., Senn, A.-C., Mangold, S., Steininger, R. and Göttlicher, J. (2015): Thallium Speciation and Extractability in a Thallium- and Arsenic-Rich Soil Developed from Mineralized Carbonate Rock. Environ. Sci. Technol., 49 (9), 5390–5398.
Majzlan, J., Petrikis, J., Voegelin, A.. (2016): Arsen- und Thallium-Minerale bei Buus, Baselland. Schweizer Strahler 50 (1), 20-23.
Herrmann, J., Voegelin, A., Palatinus, L., Mangold, S., Majzlan, J. (2018): Secondary Fe–As–Tl mineralization in soils near Buus in the Swiss Jura Mountains. European Journal of Mineralogy 30, 887-898.
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