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While externally similar shapes, these two minerals are very different inside.
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Erythrite from
Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany


Locality type:Mine
Classification
Species:Erythrite
Formula:Co3(AsO4)2 · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Erythrite data
Locality Data:Click here to view Castor Mine, Loope, Engelskirchen, Oberbergischer Kreis, Cologne, North Rhine-Westphalia, Germany
Data Identifiers
Mindat Occurrence Record ID:104348
Long-form Identifier:1:3:104348:8
GUID (UUID V4):0
Nearest other occurrences of Erythrite
17.6km (10.9 miles) ⓘVersÃķhnung Mine, Altenrath, Troisdorf, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
27.2km (16.9 miles) ⓘSilberhardt Mine, Öttershagen, Windeck, Rhein-Sieg-Kreis, Cologne, North Rhine-Westphalia, Germany
38.6km (24.0 miles) ⓘFriedrich Mine, Steckenstein, Mittelhof, Wissen, Altenkirchen, Rhineland-Palatinate, Germany
40.8km (25.4 miles) ⓘClemenslust Mine, Linz am Rhein, Linz am Rhein, Neuwied, Rhineland-Palatinate, Germany
40.9km (25.4 miles) ⓘVirneberg Mine, Rheinbreitbach, Unkel, Neuwied, Rhineland-Palatinate, Germany
41.4km (25.7 miles) ⓘConcordia Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
41.5km (25.8 miles) ⓘMarienberg Mine, Unkel, Unkel, Neuwied, Rhineland-Palatinate, Germany
41.8km (26.0 miles) ⓘFischbacher Werk Mine, Niederfischbach, Kirchen (Sieg), Altenkirchen, Rhineland-Palatinate, Germany
43.3km (26.9 miles) ⓘLouise Mine, BÞrdenbach, Altenkirchen-Flammersfeld, Altenkirchen, Rhineland-Palatinate, Germany
44.0km (27.4 miles) ⓘVictoria Mine, Littfeld, Kreuztal, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
References
Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
 
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