Rankamaite

Facts

Chemical formula

(Na,K)₃(Ta,Nb,Al)₁₁(O,OH)₃₁

Crystal system

Orthorhombic

Elements in formula

Sodium, Potassium, Tantalum, Niobium, Aluminium, Oxygen, Hydrogen

Number of elements

7

IMA status

Approved

Named after

Kalervo Rankama

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3930124