Richellite
Richelle, Visé, Liège, Wallonia, Belgium
4.2 x 4.0 x 3.5 cm. Richellite is a very rare calcium, iron phosphate and occurs as a secondary (?) mineral in phosphatic sedimentary rocks. It has questionable/doubtful status as a mineral species, according to the IMA. It is probably a former gel with variable chemical composition. That being said, this very rich specimen is from the Type ...
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