Hastingsite

Facts

Chemical formula

NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

Crystal system

Monoclinic

Elements in formula

Sodium, Calcium, Iron, Silicon, Aluminium, Oxygen, Hydrogen

Number of elements

7

IMA status

Redefined

Named after

Hastings County

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q783420