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
Korretsberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany


Locality type:Quarry
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 Korretsberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
Data Identifiers
Mindat Occurrence Record ID:85240
Long-form Identifier:1:3:85240:3
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
1.5km (1.0 miles) ⓘTönchesberg, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.9km (1.8 miles) ⓘNickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
3.0km (1.9 miles) ⓘEiterköpfe quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.1km (3.2 miles) ⓘNickenicher Sattel, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.3km (3.3 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.9km (3.7 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.1km (3.8 miles) ⓘKarmelenberg quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
6.4km (4.0 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
8.8km (5.5 miles) ⓘGleeser Felder, Glees, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
9.1km (5.7 miles) ⓘKunkskopf quarry, Wassenach, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
References
 
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