Formula: Ca₂Cu₂(H₂O)₂[Si₃O₁₀]

Species: Silicates – (Sorosilicate)

Colour: Deep blue

Lustre: Vitreous

Hardness: 2½

Specific Gravity: 3.13 – 3.19

Crystal System: Monoclinic

Name: Named for the Italian Jesuit missionary Eusebio Francisco Kino (1645-1711). In 1687 he established his first mission among the Indians of Sonora at Nuestra Senora de los Dolores. as well as new missions, including San Xavier del Bac (1700) near Tucson, Guevavi, and Tumacacori. In 1691, Father Kino made the first of about 40 expeditions into Arizona. He helped the Pima Indians in diversifying their agriculture and aided them in their continuous wars with the Apaches, while opposing Indian enslavement in the silver mines of northern Mexico.

Type Locality: Santa Rita Mountains, Arizona – USA