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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Simonkolleite from
Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany


07640900017693345796938.jpg
Simonkolleite

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
07988590017673072644527.jpg
Simonkolleite, etc.

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
07640900017693345796938.jpg
Simonkolleite

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
07988590017673072644527.jpg
Simonkolleite, etc.

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
07640900017693345796938.jpg
Simonkolleite

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
07988590017673072644527.jpg
Simonkolleite, etc.

Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
Locality type:Slag Locality
Classification
Species:Simonkolleite
Formula:Zn5Cl2(OH)8 · H2O
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Brianyoungite1
Data
Mineral Data:Click here to view Simonkolleite data
Locality Data:Click here to view Herzog Julius smelter slag locality, Astfeld, Langelsheim, Goslar District, Lower Saxony, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:31010
Long-form Identifier:1:3:31010:1
GUID (UUID V4):0
References
Schnorrer, Günther (1995) Mineralogische Neuheiten von bekannten deutschen Fundorten [Mineralogical novelties from well-known German deposits]. Lapis, 20 (12). 43-48; 62
 
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