Epistolite

Facts

Chemical formula

(Na☐)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄

Crystal system

Triclinic

Elements in formula

Sodium, Niobium, Titanium, Silicon, Oxygen, Hydrogen

Number of elements

6

IMA status

Redefined

Type locality

Tunulliarfik fjord

Named after

letter

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3730667