1) Triclinic mineral
Found on
https://www.crosswordclues.com/clue/ajoite
Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral. Ajoite has the chemical formula (Na,K)Cu7AlSi9O24(OH)6·3(H2O), and minor Mn, Fe and Ca are usually also present in the structure. Ajoite is used as a minor ore of copper. == Discovery == In August 1941 Harry Berman of Harvard University was collecting at Ajo, in Pi...
Found on
http://en.wikipedia.org/wiki/Ajoite
(Hydrated Potassium Sodium Copper Aluminum Silicate Hydroxide) Ajoite is an attractive copper silicate mineral that is named for its type locality in the Ajo District of Pima County, Arizona . It is a secondary mineral that forms from the oxidation of other secondary copper minerals. Ajoite forms excellent microcrystal spec...
Found on
https://www.encyclo.co.uk/local/23719
No exact match found.
