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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Thaumasite from
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany


07420720017271927088719.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
06253280017271927034689.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
01011240017272005892814.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
09599690017272005906029.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
06392990017367647928808.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
05276700017367647912105.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
01011240017272005892814.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
09599690017272005906029.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
07420720017271927088719.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
06253280017271927034689.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
01011240017272005892814.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
09599690017272005906029.jpg
Thaumasite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Thaumasite
Formula:Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calumetite1
Jennite1
Willhendersonite1
Data
Mineral Data:Click here to view Thaumasite data
Locality Data:Click here to view Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:76760
Long-form Identifier:1:3:76760:0
GUID (UUID V4):0
Localities for Thaumasite in this Region
Wernerkrauseite-bearing xenolith, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Xenolith CS-036 (Vondechenite-bearing xenolith), Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Xenolith CS-043, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Xenolith CS-050, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Nearest other occurrences of Thaumasite
2.0km (1.3 miles) ⓘMayener Feld, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.4km (1.5 miles) ⓘSeekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.4km (1.5 miles) ⓘXenolith CS-090 (Hopmannite type locality), Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
2.7km (1.7 miles) ⓘXenolith CS-008 (Bellbergite type-locality), Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany
4.1km (2.6 miles) ⓘThelenberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.2km (3.2 miles) ⓘPumice quarries, Wingertsberg, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
5.8km (3.6 miles) ⓘIn den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
7.1km (4.4 miles) ⓘKrufter Ofen, Kruft, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany
10.1km (6.3 miles) ⓘSchellkopf, Brenk, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
12.6km (7.8 miles) ⓘHannebacher Ley, Hannebach, Spessart, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany
References
Hentschel, G. (1978) Seltene Minerale in Calcium-reichen Auswürflingen vom Bellerberg bei Mayen/Eifel. Der Aufschluss: 29(3): 77-83.
Blaß, Günter; Graf, Hans-Werner; Kolitsch, Uwe; Sebold, Doris (2005) Über neue Mineralienfunde aus der Vulkaneifel [About new mineral discoveries from the Volcanic Eifel]. Mineralien-Welt, 16 (6). 18-27
 
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