Twinned Dolomite

Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (±1965)

Specimen size: 14.5 × 11.4 × 8.7 cm = 5.71” × 4.49” × 3.43”
Main crystal size: 5 × 4.2 cm = 1.97” × 1.65”