Description: Fluorapatite on Siderite Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal Specimens size: 10x7 cm Main crystal: 4.3 x 3 cm Specimen: Gail & Jim Spann collection Photo: Tom Spann

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