Umbrianite

Facts

Chemical formula

K₇Na₂Ca₂[Al₃Si₁₀O₂₉]F₂Cl₂

Crystal system

Orthorhombic

Elements in formula

Potassium, Sodium, Calcium, Aluminium, Silicon, Oxygen, Fluorine, Chlorine

Number of elements

8

IMA status

Approved

Type locality

Vispi quarry, Pian di Celle volcano

Named after

Umbria

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19862022