Bavenite with Quartz (variety smoky), Helvine and Feldspar

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”