dashkesanite

\\ˌdashkəˈsaˌnīt\ noun (-s)

Etymology: Russian dashkesanit, from Dashkesan, Azerbaijan, Union of Soviet Socialist Republics, its locality + Russian -it -ite

: 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