- Cabinet, 11.9 x 9.3 x 8.9 cm
- Santa Eulalia District, Mun. de Aquiles Serdan, Chihuahua, Mexico
These lustrous calcites look like pyramids with bevels running along the edges. They get their color from inclusions of hematite. The size variations in the crystals, from little sparkly micro-crystals to larger ones up to 2.5 cm across, creates a pretty relief effect.