Agrellite

Facts

Chemical formula

NaCa₂Si₄O₁₀F

Crystal system

Triclinic

Mohs hardness

5.5

Elements in formula

Sodium, Calcium, Silicon, Oxygen, Fluorine

Number of elements

5

IMA status

Approved

Named after

Stuart Olof Agrell

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q396466