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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Mullite from
Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany


04645530017866376896300.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
00774750017271984583752.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
09368990017367900495293.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
07848750017271984604184.jpg
Mullite, etc.

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
04981580017367232039533.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
00298690017367232042360.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
06155540017363686181418.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
07161680017367232045073.jpg
Mullite, etc.

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
08078740017271925461204.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
00774750017271984583752.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
02829820017604467818538.jpg
Mullite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
07848750017271984604184.jpg
Mullite, etc.

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Mullite
Formula:Al4+2xSi2-2xO10-x
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sanidine5
Ferri-obertiite3
Amphibole Supergroup3
Osumilite-(Mg)2
Manganese Oxides1
Cordierite1
Calcite1
Pseudobrookite1
Muscovite1
Hematite1
Topaz1
Sellaite1
Pyroxene Group1
Data
Mineral Data:Click here to view Mullite data
Locality Data:Click here to view Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (39 photos)
Data Identifiers
Mindat Occurrence Record ID:76535
Long-form Identifier:1:3:76535:6
GUID (UUID V4):0
Nearest other occurrences of Mullite
1.2km (0.7 miles) ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
4.8km (3.0 miles) ⓘKahlenberg, Oberstadtfeld, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
10.2km (6.3 miles) ⓘWartgesberg, Strohn, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
17.0km (10.6 miles) ⓘRother Kopf, Roth, Gerolstein, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
25.4km (15.8 miles) ⓘNiveligsberg, Drees, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany
37.8km (23.5 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
41.5km (25.8 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
41.8km (26.0 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
42.8km (26.6 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
43.5km (27.0 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
References
Schäfer, H. (1979) Die Mineralien der Einschlüsse und Auswürflinge in den Schlacken des Emmelberges bei Übersdorf/Eifel. Der Aufschluss, 30 (9). 273-282
 
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