: a mineral consisting of a chloroaluminosilicate of sodium, potassium, iron, and magnesium (Na,K)Ca2(Fe,Mg)5(Si,Al)8O22Cl2 and belonging near hastingsite in the amphibole group
History and Etymology for dashkesanite
Russian dashkesanit, from Dashkesan, Azerbaijan, U.S.S.R., its locality + Russian -it -ite