CHEMISTRY (K,Na)Cu7AlSi9O24(OH)6.3H2O
CRYSTALLOGRAPHY - Triclinic
CRYSTAL GROWTH AND HABITS - Ajoite is usually found as acicular prismatic crystals or as small fibrous sprays.
COLOR AND OTHER OPTICAL PROPERTIES - Blue to bluish green, translucent
HARDNESS - The hardness has not been precisely determined but is believed to be around 3.5.
SPECIFIC GRAVITY - 2.95 - 2.96
LUSTER - Vitreous
STREAK - White
BREAKABILITY - Perfect cleavage along {010}
OCCURRENCE - Ajoite is found in the oxidized zone of copper deposits.
ASSOCIATED MINERALS - Quartz, Shattuckite, Conichalcite, Pyrite, Papagoite
NAME - Named for its occurrence at Ajo, AZ.