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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Tridymite from
Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany


01769100017272731049947.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05135580017271986235654.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05470570017271986242367.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
07603010017271986253537.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
01769100017272731049947.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05135580017271986235654.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05470570017271986242367.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
08174700017362647485844.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
01769100017272731049947.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05135580017271986235654.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
05470570017271986242367.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
07603010017271986253537.jpg
Tridymite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
Locality type:Quarry
Classification
Species:Tridymite
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hematite2
Pseudobrookite2
Sanidine1
Spinel1
Pyroxene Group1
Cristobalite1
Rutile1
Enstatite1
Data
Mineral Data:Click here to view Tridymite data
Locality Data:Click here to view Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:76558
Long-form Identifier:1:3:76558:7
GUID (UUID V4):0
Nearest other occurrences of Tridymite
1.2km (0.7 miles) ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
2.9km (1.8 miles) ⓘAltburg, Schalkenmehren, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
4.8km (3.0 miles) ⓘKahlenberg, Oberstadtfeld, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
7.7km (4.8 miles) ⓘMosenberg, Bettenfeld, Wittlich-Land, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
8.5km (5.3 miles) ⓘRingseitert, Kirchweiler, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
10.2km (6.3 miles) ⓘWartgesberg, Strohn, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
10.6km (6.6 miles) ⓘHangelberg quarry, Hinterweiler, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
12.8km (8.0 miles) ⓘHummerich, Utzerath, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
13.9km (8.6 miles) ⓘKahlenberg, Oberehe-Stroheich, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
14.5km (9.0 miles) ⓘQuarry 3, Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany
References
Schäfer, H. (1979) Die Mineralien der Einschlüsse und Auswürflinge in den Schlacken des Emmelberges bei Übersdorf/Eifel. Der Aufschluss, 30 (9). 273-282
 
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