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
Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany


02111350017370581728943.jpg
Simonkolleite

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
04297700017272032691308.jpg
Simonkolleite, etc.

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
04253770017271926585640.jpg
Simonkolleite

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
08135960017271987691726.jpg
Simonkolleite, etc.

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
04253770017271926585640.jpg
Simonkolleite

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
08135960017271987691726.jpg
Simonkolleite, etc.

Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, 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:
Namuwite1
Slag1
Data
Mineral Data:Click here to view Simonkolleite data
Locality Data:Click here to view Genna zinc smelter slag locality, Helmke quarry nature reserve, Letmathe, Iserlohn, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:1015688
Long-form Identifier:1:3:1015688:5
GUID (UUID V4):0
Nearest other occurrences of Simonkolleite
27.6km (17.2 miles) ⓘ"An der Seilbahn" slag locality, Hüsten, Arnsberg, Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany
References
Bender, D.; Krimmelbein, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland [Current overview: Minerals from the Genna/Sauerland zinc smelter]. Mineralien Welt, 5 (4). 10
www.mg-mineralien-fossilien.de (n.d.) http://www.mg-mineralien-fossilien.de/?Rpage=sauerland/?Rpage=letmathe1.html
 
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