Aggregates of palygorskite fibers, of an intense white color, shiny. It is identified as coming from the Núria valley, in the Catalan Pyrenees, at the foot of the Puigmal mountain. A classic locality where this mineral appeared between limestone rocks. It comes from the Joan Astor collection (Barcelona), with a handwritten label and another typewritten.

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Radiated aggregates of Tremolite from this classic Catalan locality. Specimens were found in a Cambrian-Ordovician marbles with calc-silicate levels. Outcrops at an altitude of 2700-2800 m, near Pic de l'Infern (Hell's Peak), 2870 m.

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