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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Ankerite from
Grund mine, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Grund mine, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:30591
Long-form Identifier:1:3:30591:4
GUID (UUID V4):0
Nearest other occurrences of Ankerite
2.5km (1.6 miles) ⓘWinterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
4.3km (2.7 miles) ⓘGlückauf Mine, Hütschen valley, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
7.9km (4.9 miles) ⓘLautenthalsglück mine, Lautenthal, Langelsheim, Goslar District, Lower Saxony, Germany
8.4km (5.2 miles) ⓘLautenthal smelter slag locality, Lautenthal, Langelsheim, Goslar District, Lower Saxony, Germany
12.4km (7.7 miles) ⓘGlücksrad Mine, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
14.3km (8.9 miles) ⓘGroßfürstin Alexandra Mine, Goslar, Goslar District, Lower Saxony, Germany
16.5km (10.2 miles) ⓘRammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
20.0km (12.4 miles) ⓘHuneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
21.1km (13.1 miles) ⓘFrische Lutter vein (incl. Lutter adit; South Rothäuser adit; North Rothäuser adit), Bad Lauterberg, Göttingen District, Lower Saxony, Germany
22.8km (14.2 miles) ⓘWolkenhügel Mine, Harz (Landkreis Göttingen), Göttingen District, Lower Saxony, Germany
References
 
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