Irnimite (“blue jasper”) is a jasper-like rock, consisting of quartz and alkaline amphibole. It also includes impurities of other minerals. The only deposit in the world is located in Russia in the basin of the Ir and Nimi rivers (Khabarovsk Territory), after which the stone is named.
You can see irnimite stone for sale and buy it in the Minerals of Russia online store.