- Calcite, Sphalerite
- Cabinet, 9.7 x 5.9 x 5.7 cm
- Naica, Mun. de Saucillo, Chihuahua, Mexico
A DRAMATIC old Naica specimen featuring two large, frosty intergrown crystals of calcite (to 5.5 cm tip-to-tip) beautifully accented by the flashy, dark sphalerites on the natural matrix base. The calcites are in pristine condition.