Twinned Dolomite

Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (±1974)

Specimen size: 5.4 × 4.4 × 3.2 cm = 2.13” × 1.73” × 1.26”
Main crystal size: 2.5 × 2.4 cm = 0.98” × 0.94”