“Parallel growth of prismatic and tabular Barite crystals. Some of them doubly terminated and translucent, showing a grey bluish color (blue with transmitted a light source). This specimen comes from an old find close to Stoneham, Colorado (USA), where doubly terminated crystals were not so common.Stoneham, Weld County, Colorado, USA.Specimen size: 7.9 × 2.5 × 2.2 cmMain crystal size: 3.5 × 1 cm”