This specimen presents a good size couple of nodules, with an internal part with septaria structure, completely covered by very brilliant and transparent green crystals of this rare iron and calcium phosphate. It is not frequent find double specimens. Anapaite nodules from the Bellver de la Cerdanya area are a classic of the Catalan and European mineralogy. The materials where these nodules appear are part of the filling of a deep lake of the upper Miocene that developed in the southern part of the Cerdanya basin.

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