Irtyshite

Facts

Chemical formula

Na₂(Ta,Nb)₄O₁₁

Crystal system

Hexagonal

Elements in formula

Sodium, Tantalum, Niobium, Oxygen

Number of elements

4

IMA status

Approved

Type locality

Kalba range

Named after

Irtysh

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3802147