NQ86Z5: Very sharp and aerial Stokesite crystal, colorless, transparent, very bright and on matrix, with Albite and Microcline. These samples were found in 1999 and noted in 2012 in a paper in The Mineralogical Record, and are considered as the best crystallized worldwide and they were recovered in a single cavity that produced very few pieces.
This specimen has been photographed and published as a reference for the Stokesite species in the magazine ‘Lapis‘ number 07-08/2020, page 15
Isabel Quarry (La Saludadora Quarry), La Cabrera pluton, Valdemanco, Comarca Sierra de Guadarrama, Community of Madrid  Spain (1999)

Specimen size: 1.6 × 1.1 × 0.5 cm = 0.63” × 0.43” × 0.20”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”