Piergorite-(Ce)

Piergorite-(Ce) : Ca₈(Ce,Th,La,Nd)₂(Al_0.5,Fe³⁺_0.5)([],Li,Be)₂Si₆B₈O₃₆(OH,F)₂

Locality: Tre Croci, Vetralla, Vico Lake, Viterbo Province, Latium, Italy

Colourless intergrown piergorite crystals. One of the best piergorite specimens. Analysed material!
Field of view: 1mm
Photo and collection of Martin Slama

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Piergorite-(Ce)

Piergorite-(Ce) : Ca8(Ce,Th,La,Nd)2(Al0.5,Fe3+0.5)([],Li,Be)2Si6B8O36(OH,F)2

Piergorite-(Ce) : Ca₈(Ce,Th,La,Nd)₂(Al_0.5,Fe³⁺_0.5)([],Li,Be)₂Si₆B₈O₃₆(OH,F)₂