MAX51CD2: Intergrown crystals of well-defined, transparent, shiny, and aerial Dolomite on its matrix.
The dolomites from Eugui are one of the hallmarks of Spanish mineralogy, and this particular piece stands out for the great transparency of its crystals and their aerial and individualized shape.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre)  Spain (+1970)

Specimen size: 7.9 × 7.3 × 5.7 cm = 3.11” × 2.87” × 2.24”

Main crystal size: 1.6 × 1.4 cm = 0.63” × 0.55”