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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Stilbite Subgroup from
Schlickstal Mine (Schlieckstal Mine), Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany


Locality type:Mine
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Schlickstal Mine (Schlieckstal Mine), Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
Data Identifiers
Mindat Occurrence Record ID:877620
Long-form Identifier:1:3:877620:4
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
0.2km (0.1 miles) ⓘLouise Charlotte Mine, Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
0.4km (0.2 miles) ⓘNeues Geschick mine, Dränge valley, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
3.5km (2.2 miles) ⓘKnaupsholz quarry, Elbingerode, Oberharz am Brocken, Harz, Saxony-Anhalt, Germany
4.0km (2.5 miles) ⓘGranite quarry, Kleiner Birkenkopf, Wernigerode, Harz, Saxony-Anhalt, Germany
9.8km (6.1 miles) ⓘWurmberg Quarry, Braunlage, Goslar District, Lower Saxony, Germany
12.5km (7.7 miles) ⓘKönigskopf Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
17.1km (10.6 miles) ⓘHuneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
21.1km (13.1 miles) ⓘKönig Mine, Sieber, Herzberg am Harz, Göttingen District, Lower Saxony, Germany
85.7km (53.3 miles) ⓘBlaue Kuppe, Eschwege, Werra-Meißner, Kassel Region, Hesse, Germany
References
Gröbner, J.; Hajek, W.; Junker, R.; Nikoleizig, J. (2011) Neue Mineralschätze des Harzes. Papierflieger Verlag. 127 pp.
 
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