Kinoite

Kinoite – Ca2Cu2Si3O10·2H2O
Class: Silicates – Sorosilicates
Crystal System: Monoclinic
Hardness: 2.5
Calcite
Talc (1)Diamond (10)
Soft. A fingernail can scratch it.
Origin: Christmas Mine, Arizona – Usa
Did you know?

Kinoite is named for Father Kino, the seventeenth-century missionary who mapped the American Southwest, yet the mineral stayed unknown until 1970. Its intense blue rivals sapphire, but it forms only as tiny crystals deep in copper deposits.