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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Hydrocalumite from
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany


06698180017866615163374.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02668200017271923902076.jpg
Hydrocalumite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
08281700017367562036227.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
03124680017699640732795.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
03690880017367562043376.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
08272370017367562048219.jpg
Hydrocalumite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05207370017363330125741.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02956680017699566695446.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
00402440017271923877493.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02668200017271923902076.jpg
Hydrocalumite, etc.

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
08940110017367562067113.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02945160017699640746384.jpg
Hydrocalumite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Hydrocalumite
Formula:Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Afwillite4
Ettringite2
Kuzelite1
Jennite1
Calcite1
Data
Mineral Data:Click here to view Hydrocalumite data
Locality Data:Click here to view Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (19 photos)
Data Identifiers
Mindat Occurrence Record ID:76718
Long-form Identifier:1:3:76718:7
GUID (UUID V4):0
Localities for Hydrocalumite in this Region
Karlleuite-bearing xenolith, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Wernerkrauseite-bearing xenolith, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Xenolith CS-036 (Vondechenite-bearing xenolith), Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Nearest other occurrences of Hydrocalumite
2.0km (1.3 miles) ⓘMayener Feld, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.7km (1.7 miles) ⓘXenolith CS-008 (Bellbergite type-locality), Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.8km (3.6 miles) ⓘRothenberg Quarry, Bell, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
37.2km (23.1 miles) ⓘFeuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
37.8km (23.5 miles) ⓘEmmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
67.1km (41.7 miles) ⓘFriedrich-Wilhelm Mine, Biersdorf, Daaden, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
99.2km (61.6 miles) ⓘBleyberg zinc and lead smelter slag locality, Plombières, Liège, Wallonia, Belgium
References
Jasmund, Karl, Hentschel, Gerhard (1964) Seltene Mineralparagenesen in den Kalksteineinschlüssen der Lava des Ettringer Bellerberges bei Mayen (Eifel). Beiträge zur Mineralogie und Petrographie, 10 (3). 296-314 doi:10.1007/bf01081750
 
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