NK27AH4: Polycrystalline growth of Fluorite crystal cubes beveled by the dodecahedron. They are transparent, bright and have a very intense sky-blue color. On a Quartz matrix with small Muscovite platelets.
The sample is from the mineral collection of Pedro Alves, the author of the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1). We’ll send the collection label to the buyer.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 2.3 × 1.9 × 2.1 cm = 0.91” × 0.75” × 0.83”