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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Todorokite from
Glücksrad Mine, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany


Locality type:Mine
Classification
Species:Todorokite
Formula:(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Todorokite data
Locality Data:Click here to view Glücksrad Mine, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:76205
Long-form Identifier:1:3:76205:8
GUID (UUID V4):0
Nearest other occurrences of Todorokite
9.6km (6.0 miles) ⓘGlückauf Mine, Hütschen valley, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
10.5km (6.5 miles) ⓘGabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany
11.3km (7.0 miles) ⓘWinterberg Quarry, Iberg, Bergstadt Bad Grund, Bad Grund, Göttingen District, Lower Saxony, Germany
14.8km (9.2 miles) ⓘErnst August Stollen, Gittelde, Bad Grund, Göttingen District, Lower Saxony, Germany
18.4km (11.4 miles) ⓘWolkenhügel Mine, Harz (Landkreis Göttingen), Göttingen District, Lower Saxony, Germany
29.6km (18.4 miles) ⓘGiepenbach Mine (Gertrud Mine), Tanne, Oberharz am Brocken, Harz, Saxony-Anhalt, Germany
References
Wittern, A.; Schnorrer-Köhler, G. (1986) Die Minerale der Glücksrad-Halde bei Oberschulenberg / Harz [The minerals of the Glücksrad mine dump near Oberschulenberg / Harz]. Lapis, 11 (1). 9-18; 42
 
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