NB89AL4: Group of Fluorite crystals beveled by thin rhombododecahedral faces, transparent, brilliant and of a very intense blue color with violet tones. An excellent Spanish classic.
This specimen has been published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 56, June 6, 2020 edition, page 2
La Viesca Mine, La Collada mining area, Huergo, Siero, Comarca Oviedo, Principality of Asturias (Asturias)  Spain (2009)

Specimen size: 8.2 × 7.8 × 5 cm = 3.23” × 3.07” × 1.97”

Main crystal size: 3.2 × 2.7 cm = 1.26” × 1.06”