AB47Y6: Very aerial and almost floater group of very bright crystals that have notable transparency and form complex cyclic twins. They are on a rocky matrix, with Muscovite and small acicular tourmaline (Schorl-Dravite) crystals.
This specimen has been reviewed and published in the magazine ‘Lapis’ on page 43, volume 39, number 7-8, July-August 2014
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region  Portugal (1987-2013)

Specimen size: 10.2 × 6.8 × 4.5 cm = 4.02” × 2.68” × 1.77”