Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Steffelnkopf, Steffeln, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germanyi
Regional Level Types
SteffelnkopfQuarry
SteffelnMunicipality
GerolsteinCollective Municipality
VulkaneifelDistrict
Rhineland-PalatinateState
GermanyCountry
Steffelnkopf, Eifel Volcanic Fields, Germany

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Latitude & Longitude (WGS84):
50° 17' 3'' North , 6° 33' 33'' East
Latitude & Longitude (decimal):
50.28444,6.55917
GeoHash:
G#: u0uwj600p
GRN:
N34E04
Type:
Quarry
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Steffeln685 (2011)0.5km
Duppach300 (2011)2.0km
Lissendorf1,130 (2011)4.6km
Kalenborn-Scheuern490 (2016)4.8km
Oberbettingen717 (2011)5.3km
Mindat Locality ID:
37431
Long-form identifier:
mindat:1:2:37431:5
GUID (UUID V4):
0
Other Languages:
German:
Steffelnkopf, Steffeln, Verbandsgemeinde Gerolstein, Landkreis Vulkaneifel, Rheinland-Pfalz, Deutschland


Abandoned quarry in leucite-nephelinite.
Located on Steffelnkopf mountain, 700 m SW of Steffeln.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Haüyne
Formula: Na3Ca(Si3Al3)O12(SO4)
ⓘ Hematite
Formula: Fe2O3
ⓘ Leucite
Formula: K(AlSi2O6)
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ Perovskite
Formula: CaTiO3
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Tridymite
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘPerovskite4.CC.30CaTiO3
ⓘTridymite4.DA.10SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘHaüyne9.FB.10Na3Ca(Si3Al3)O12(SO4)
ⓘLeucite9.GB.05K(AlSi2O6)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Oⓘ HematiteFe2O3
Oⓘ LeuciteK(AlSi2O6)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ PerovskiteCaTiO3
Oⓘ SanidineK(AlSi3O8)
Oⓘ TridymiteSiO2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Naⓘ NephelineNa3K(Al4Si4O16)
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Alⓘ LeuciteK(AlSi2O6)
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ SanidineK(AlSi3O8)
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Siⓘ LeuciteK(AlSi2O6)
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ SanidineK(AlSi3O8)
Siⓘ TridymiteSiO2
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
SSulfur
Sⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ LeuciteK(AlSi2O6)
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ SanidineK(AlSi3O8)
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ HaüyneNa3Ca(Si3Al3)O12(SO4)
Caⓘ PerovskiteCaTiO3
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ PerovskiteCaTiO3
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Germany
Germany/Belgium

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

Hentschel, Gerhard (1987) Die Mineralien der Eifelvulkane (2nd ed.) Christian Weise Verlag, Munich.
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
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