- Thumbnail, 2.4 x 2.4 x 2.0 cm
- New Cornelia Mine (Ajo Mine) area, Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA
Ajoite is a very rare potassium, sodium, copper silicate, named after its discovery locality, the New Cornelia Mine, Ajo, Arizona. Pretty, lustrous, bluish-green, acicular, ajoite crystals richly cover the excellent thumbnail. Older material from the Carlton Davis Collection.