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RM3644   Tinticite and limonite
Fe³⁺₃(PO₄)₂(OH)₃·3H₂O
  -  8. Phosphates, arsenates and vanadates

The tinticite nodules from the Bruguers mines are perhaps the most characteristic of the species. They are found in two forms: sometimes in the hard dolomitic rock, which allows sections to be seen, and sometimes in a limonite matrix, which allows their kidney-shaped shape to be observed and even easy to extract. We recommend visiting the book I recently published about this famous Catalan mine: : Mines i minerals de la serra de les Ferreres. Les mines de Rocabruna, Bruguers, Gavà, el Baix Llobregat, Catalunya.

Size: 58 x 4.2 x 3.4 cm.
Main crystal: 20 mm.
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