- Calcite, Quartz (Var: Amethyst)
- Small Cabinet, 8.5 x 4.3 x 3.9 cm
- Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
An extremely aesthetic and elegant specimen from Mexico, featuring a pristine, snow-white crystal of calcite measuring 7.5 cm, associated with a cluster of prismatic amethyst crystals intergrown with a second calcite crystal with stepped faces. The amethyst gives a pleasing color accent to the specimen.