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


Locality type:Occurrence
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name 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:347679
Long-form Identifier:1:3:347679:6
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
2.1km (1.3 miles) ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
4.7km (2.9 miles) ⓘKahlenberg, Oberehe-Stroheich, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
6.4km (4.0 miles) ⓘDreiser Weiher, Dreis, Dreis-Brück, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
14.3km (8.9 miles) ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
15.0km (9.3 miles) ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
15.7km (9.8 miles) ⓘAltburg, Schalkenmehren, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
18.0km (11.2 miles) ⓘHummerich, Utzerath, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
18.2km (11.3 miles) ⓘBocksberg, Müllenbach, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
18.4km (11.4 miles) ⓘMeerfeld Maar, Meerfeld, Wittlich-Land, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
20.1km (12.5 miles) ⓘSelberg, Quiddelbach, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
References
 
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