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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Hydromagnesite from
Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany


06975100017367269495466.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
03654050017272022821591.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
01101960017803887186369.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06291870017363510073979.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
07877500017363510069707.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
09232670017367269505412.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06322770017803882794266.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
07008490017363311849559.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
00747710017367269537662.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
03654050017272022821591.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
01101960017803887186369.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06291870017363510073979.jpg
Hydromagnesite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Hydromagnesite
Formula:Mg5(CO3)4(OH)2 · 4H2O
Comments:thin, clear, colourless plates.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Artinite1
Brucite1
Data
Mineral Data:Click here to view Hydromagnesite data
Locality Data:Click here to view Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:29290
Long-form Identifier:1:3:29290:2
GUID (UUID V4):0
Nearest other occurrences of Hydromagnesite
36.4km (22.6 miles) ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
37.1km (23.1 miles) ⓘSeekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
62.6km (38.9 miles) ⓘBinsfeldhammer lead smelter slag locality, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
65.4km (40.6 miles) ⓘMünsterbusch zinc smelter slag locality, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
65.5km (40.7 miles) ⓘBirkengang zinc smelter slag locality, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
67.2km (41.8 miles) ⓘFriedrichssegen Mine, Friedrichssegen, Lahnstein, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany
73.5km (45.7 miles) ⓘBleyberg zinc and lead smelter slag locality, Plombières, Liège, Wallonia, Belgium
97.4km (60.5 miles) ⓘGrüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Daaden-Herdorf, Altenkirchen, Rhineland-Palatinate, Germany
References
Beyer, H. (1980) Eine Magnesium-Mineralparagenese als Folge primärer biologischer Stoffanlage und sekundärem vulkanischen Erhitzungsprozeß am Arensberg / Eifel. Der Aufschluß SB 30.
Doornveld, H.Y. (1987) Enkele mineraalvoorkomens in de Eifel. GEA, 20 (1), 32-36 (in Dutch).
 
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