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
Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, 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 Glasberg quarry, Nieder-Beerbach, Mühltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany
Data Identifiers
Mindat Occurrence Record ID:80716
Long-form Identifier:1:3:80716:6
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
12.9km (8.0 miles) ⓘKreuzer & Böhringer Quarry, Das Buch, Lindenfels, Bergstraße, Darmstadt, Hesse, Germany
13.9km (8.6 miles) ⓘSeidenbacher Eck, Seidenbach, Fürth, Bergstraße, Darmstadt, Hesse, Germany
18.3km (11.3 miles) ⓘRöhrig quarry, Hundskopf, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
18.6km (11.5 miles) ⓘRöhrig quarry (Röhrig gravel works), Kohlplatte, Sonderbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
19.0km (11.8 miles) ⓘSteinmauer Quarry, Steinkopf, Erbach, Heppenheim, Bergstraße, Darmstadt, Hesse, Germany
34.2km (21.2 miles) ⓘHohe Waid, Schriesheim, Rhein-Neckar-Kreis, Karlsruhe Region, Baden-Württemberg, Germany
35.9km (22.3 miles) ⓘTeschenhöhle, Kleinostheim, Aschaffenburg District, Lower Franconia, Bavaria, Germany
39.2km (24.4 miles) ⓘGrauberg quarry, Stengerts, Gailbach, Aschaffenburg, Lower Franconia, Bavaria, Germany
39.2km (24.4 miles) ⓘHöllein quarry, Stengerts, Gailbach, Aschaffenburg, Lower Franconia, Bavaria, Germany
40.0km (24.9 miles) ⓘRabengrund, Hörstein, Alzenau, Aschaffenburg District, Lower Franconia, Bavaria, Germany
References
 
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