FY47K0: Twin of two rhombohedral crystals of very well defined faces and edges, bright and translucent. The original label indicates that it was a gift from Carlos Díaz de Mauriño, from Pamplona, in 1967, to Sr. Folch.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (±1967)

Specimen size: 7.7 × 6.1 × 6 cm = 3.03” × 2.40” × 2.36”

Main crystal size: 3.8 × 3.7 cm = 1.50” × 1.46”