NL12AL3: Spheroidal aggregates of lamellar Bavenite crystals, translucent, very bright and on matrix, with translucent and lustrous smoky Quartz crystals and small Feldspar crystals.
The specimen comes from the Carlos González Bargueño collection, whose label we will send to the buyer. Carlos was the one who first found these Bavenites and thanks to his work these extraordinary specimens were saved.
Venero I Quarry (Cadalso I Quarry), Cadalso de los Vidrios, Comarca Sierra Oeste de Madrid, Community of Madrid  Spain (02/2004)

Specimen size: 4.7 × 4 × 2.9 cm = 1.85” × 1.57” × 1.14”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”