| Locality type: | Mining Area |
| Classification |
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| Species: | Thomsonite-Ca |
| Formula: | NaCa2[Al5Si5O20] · 6H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Thomsonite-Ca data |
| Locality Data: | Click here to view Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 616678 |
| Long-form Identifier: | 1:3:616678:6 |
| GUID (UUID V4): | d001b750-0916-47bf-857c-9a30a1a2c6c7 |
| Localities for Thomsonite-Ca in this Region |
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| Xenolith CS-008 (Bellbergite-bearing xenolith), Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| Nearest other occurrences of Thomsonite-Ca |
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| 0.7km (0.5 miles) | ⓘMayener Feld, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 2.4km (1.5 miles) | ⓘCaspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 12.5km (7.8 miles) | ⓘHochbermel, Bermel, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany |
| 12.5km (7.8 miles) | ⓘSchellkopf, Brenk, Brohltal, Ahrweiler, Rhineland-Palatinate, Germany |
| 19.0km (11.8 miles) | ⓘHöchstberg (Schwarzley; Schwarzlay), Höchstberg, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany |
| 20.4km (12.7 miles) | ⓘBeilstein, Bereborn, Kelberg, Vulkaneifel, Rhineland-Palatinate, Germany |
| 36.6km (22.8 miles) | ⓘLöhley, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany |
| 37.1km (23.1 miles) | ⓘArensberg, Zilsdorf, Walsdorf, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany |
| 41.4km (25.7 miles) | ⓘGraulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany |
| 45.7km (28.4 miles) | ⓘRother Kopf, Roth, Gerolstein, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany |
| References |
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Peacor, Donald R., Dunn, Pete J., Simmons, William B., Tillmanns, Ekkehart, Fischer, Reinhard X. (1984) Willhendersonite, a new zeolite isostructural with chabazite. American Mineralogist, 69 (1-2) 186-189 |
Seekante, Mayen, Mayen-Koblenz, Rhineland-Palatinate, Germany