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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Natrolite from
Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany


02819560017272041697436.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06171930017272022979946.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
03810420017272022983393.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
02418170017272022995107.jpg
Natrolite, etc.

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
01845800017367150011432.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06171930017272022979946.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
03810420017272022983393.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
02418170017272022995107.jpg
Natrolite, etc.

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
08431990017272041703154.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
06171930017272022979946.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
03810420017272022983393.jpg
Natrolite

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
02418170017272022995107.jpg
Natrolite, etc.

Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Natrolite
Formula:Na2Al2Si3O10 · 2H2O
Habit:bundles and spherical aggregates of acicular crystals up to 1cm
Colour:colourless
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mesolite13
Thomsonite-Ca10
Calcite3
Tobermorite3
Apophyllite Group2
Thaumasite1
Montmorillonite1
Phillipsite Subgroup1
Data
Mineral Data:Click here to view Natrolite data
Locality Data:Click here to view Arensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (27 photos)
Data Identifiers
Mindat Occurrence Record ID:29295
Long-form Identifier:1:3:29295:7
GUID (UUID V4):0
Nearest other occurrences of Natrolite
4.3km (2.7 miles) ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
4.8km (3.0 miles) ⓘFeuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
9.2km (5.7 miles) ⓘRother Kopf, Roth, Gerolstein, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
10.4km (6.4 miles) ⓘDüngerlei, Hoffeld, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
10.6km (6.6 miles) ⓘBurgkopf, Hoffeld, Adenau, Ahrweiler, Rhineland-Palatinate, Germany
17.0km (10.6 miles) ⓘBeilstein, Bereborn, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany
22.3km (13.9 miles) ⓘHöchstberg (Schwarzley; Schwarzlay), Höchstberg, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany
25.9km (16.1 miles) ⓘHochbermel, Bermel, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
46.5km (28.9 miles) ⓘDungberg (Dungkopf), Unkelbach, Remagen, Ahrweiler, Rhineland-Palatinate, Germany
49.8km (31.0 miles) ⓘDattenberg Quarry, Dattenberg, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
References
Hentschel, G. (1978) Die Mineralien des Arensberges bei Zilsdorf, Eifel. Der Aufschluß 29, 219-227.
Doornveld, H.Y. (1987) Enkele mineraalvoorkomens in de Eifel. GEA, 20 (1), 32-36 (in Dutch).
 
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