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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Melilite Group from
Auf Dickel (incl. Nonnental), Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany


Locality type:Occurrence
Classification
Species:'Melilite Group' (not an IMA approved species)
Formula:A2M(XSiO7)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Melilite Group data
Locality Data:Click here to view Auf Dickel (incl. Nonnental), Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:347667
Long-form Identifier:1:3:347667:3
GUID (UUID V4):0
Nearest other occurrences of Melilite Group
0.8km (0.5 miles) ⓘRockeskyller Kopf summit, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
0.8km (0.5 miles) ⓘQuarry 1, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
1.1km (0.7 miles) ⓘQuarry 2, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
1.3km (0.8 miles) ⓘQuarry 3, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
2.1km (1.3 miles) ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
2.3km (1.4 miles) ⓘKyller Höhe, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
2.8km (1.7 miles) ⓘLierwiese, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
3.4km (2.1 miles) ⓘMühlenberg (Krümmel), Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
3.9km (2.4 miles) ⓘBuch, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
3.9km (2.5 miles) ⓘFeuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
References
Riley, T., Bailey, K., lloyd, F.,, Extrusive carbonatite from the quaternary Rockeskyll complex, West Eifel, Germany, Canadian Mineralogist, Vol 34, 389-401, 1996
 
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