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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Magnetite from
Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany


06228650017362076824846.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
05956780017362075726706.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
03226640017373439369345.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
01887760017373439371384.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
06228650017362076824846.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
05956780017362075726706.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
09290970017369087931109.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
07606680017366287168072.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
09534380017373439372860.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
04094180017360819893554.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
05803350017373439382087.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
02737180017373439395215.jpg
Magnetite, etc.

Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite17
Galena17
Chalcopyrite11
Bournonite11
Calcite11
Pyrite11
Quartz5
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Rammelsberg Mine, Rammelsberg, Goslar, Goslar District, Lower Saxony, Germany
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:31121
Long-form Identifier:1:3:31121:6
GUID (UUID V4):0
Nearest other occurrences of Magnetite
5.7km (3.5 miles) ⓘSilberbach slag locality, Oberschulenberg, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
7.6km (4.7 miles) ⓘHuneberg Quarry, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
9.1km (5.6 miles) ⓘSpitzenberg Mines, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
9.4km (5.8 miles) ⓘRiekensglück prospect, Schmalenberg cliff, Bad Harzburg, Goslar District, Lower Saxony, Germany
9.5km (5.9 miles) ⓘGabbro Quarry, Radau valley, Bad Harzburg, Goslar District, Lower Saxony, Germany
15.6km (9.7 miles) ⓘOderteich reservoir, Harz (Landkreis Goslar), Goslar District, Lower Saxony, Germany
20.7km (12.9 miles) ⓘWurmberg Quarry, Braunlage, Goslar District, Lower Saxony, Germany
20.7km (12.9 miles) ⓘGranite quarry, Kleiner Birkenkopf, Wernigerode, Harz, Saxony-Anhalt, Germany
23.1km (14.3 miles) ⓘEisenschurf am großen Thumkuhlenkopf, Hasserode, Wernigerode, Harz, Saxony-Anhalt, Germany
23.3km (14.5 miles) ⓘKnaupsholz quarry, Elbingerode, Oberharz am Brocken, Harz, Saxony-Anhalt, Germany
References
Krul, H. (1969) Geologische zwerftochten. N.V. W.J. Thieme & Cie - Zutphen, Netherlands, 161 pp. (in Dutch).
Large, D., Walcher, E. (1999) The Rammelsberg massive sulphide Cu-Zn-Pb-Ba-Deposit, Germany: an example of sediment-hosted, massive sulphide mineralisation. Mineralium Deposita, 34 (5) 522-538 doi:10.1007/s001260050218
Sáez, Reinaldo, Moreno, Carmen, González, Felipe, Almodóvar, Gabriel R. (2011) Black shales and massive sulfide deposits: causal or casual relationships? Insights from Rammelsberg, Tharsis, and Draa Sfar. Mineralium Deposita, 46 (5) 585-614 doi:10.1007/s00126-010-0311-x
 
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