Mineral: Fluorapatite with Siderite, Muscovite and Chlorite
Locality: Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
Dimensions: 7 × 5.6 × 2.8 cm

Description: Nice group of Fluorapatite crystals with the center of the crystals exhibiting images of circular growth of darker color, which are locally called “olho de bou” (bull's eyes). With Siderite and Muscovite on the matrix, both slightly coated by Chlorite.

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