2N63: Doubly terminated scalenohedral Calcite crystal, twinned, transparent, bright, with a light yellow color, with inclusions, implanted on a matrix with pink Dolomite crystals.
La Florida mining area, Herrería-Valdáliga-Rionansa, Comarca Costa Occidental/Saja-Nansa, Cantabria  Spain

Specimen size: 4.2 × 4.0 × 2.6 cm = 1.65” × 1.57” × 1.02”

Main crystal size: 4.0 × 2.9 cm = 1.57” × 1.14”