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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Nepheline from
Kalem, Birresborn, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany


Locality type:Quarry
Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Kalem, Birresborn, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:29326
Long-form Identifier:1:3:29326:6
GUID (UUID V4):0
Nearest other occurrences of Nepheline
6.6km (4.1 miles) ⓘRother Kopf, Roth, Gerolstein, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.2km (5.1 miles) ⓘWolfsbeul, Niederbettingen, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.2km (5.1 miles) ⓘQuarry 3, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.4km (5.2 miles) ⓘQuarry 2, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.7km (5.4 miles) ⓘQuarry 1, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.7km (5.4 miles) ⓘRockeskyller Kopf summit, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
8.8km (5.5 miles) ⓘGiesenheld quarry, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
9.0km (5.6 miles) ⓘMäuseberg quarry, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
9.1km (5.7 miles) ⓘRoßbüsch, Kalenborn-Scheuern, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
10.3km (6.4 miles) ⓘKahlenberg, Oberstadtfeld, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
References
Edgar, Alan D. (1992) Barium-rich phlogopite and biotite from some Quaternary alkali mafic lavas, West Eifel, Germany. European Journal of Mineralogy, 4 (2) 321-330 doi:10.1127/ejm/4/2/0321
 
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