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RK49K4: Great group of flat Cassiterite crystals. They are twinned, very bright and with small, very clear, crystals of Quartz on a matrix with lenticular crystals of Siderite. On the original label is written the year 1964.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal (±1964)
Specimen size: 11.4 × 4.4 × 2.2 cm = 4.49” × 1.73” × 0.87”
Main crystal size: 0.7 × 0.5 cm = 0.28” × 0.20”
With handwritten note from the Folch Collection (duplicates)
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