Twinned Dolomite

Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (1993)

Specimen size: 2.4 × 2.2 × 1.6 cm = 0.94” × 0.87” × 0.63”
Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”