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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Arseniosiderite from
Iberg reservoir, Nordhausen, Nordhausen District, Thuringia, Germany


Locality type:Reservoir
Classification
Species:Arseniosiderite
Formula:Ca2Fe33+(AsO4)3O2 · 3H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arseniosiderite data
Locality Data:Click here to view Iberg reservoir, Nordhausen, Nordhausen District, Thuringia, Germany
Data Identifiers
Mindat Occurrence Record ID:529368
Long-form Identifier:1:3:529368:1
GUID (UUID V4):0
Nearest other occurrences of Arseniosiderite
24.2km (15.1 miles) ⓘKupferberg, Hagental, Gernrode, Quedlinburg, Harz, Saxony-Anhalt, Germany
29.5km (18.3 miles) ⓘLudwig-Rudolf Mine, Braunlage, Goslar District, Lower Saxony, Germany
30.8km (19.1 miles) ⓘLouise Charlotte Mine, Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
32.7km (20.3 miles) ⓘDas Aufgeklärte Glück Mine (Aufgeklärtes Glück Mine), Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
35.3km (21.9 miles) ⓘFrische Lutter vein (incl. Lutter adit; South Rothäuser adit; North Rothäuser adit), Bad Lauterberg, Göttingen District, Lower Saxony, Germany
43.5km (27.0 miles) ⓘGabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany
References
Gröbner, J., Wesiger, J. (2008): Die Mineralien des Kupferschieferbergbaus an südlichen Harzrand bei Ilfeld in Thüringen. Mineralien-Welt, 19(2), 18-28.
 
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