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RK27T5: Cyclic twinned crystals with sharp and very well defined faces and edges. They are translucent and extraordinarily bright and are on a matrix partially coated by Muscovite. A fine sample of one of the glorious epochs in Panasqueira.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region Portugal
Specimen size: 5.8 × 5 × 4.3 cm = 2.28” × 1.97” × 1.69”
Main crystal size: 1.1 × 1.1 cm = 0.43” × 0.43”
With handwritten note from the Folch Collection (duplicates)
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