Pargasite

Facts

Chemical formula

NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

Crystal system

Monoclinic

Mohs hardness

5.5

Elements in formula

Sodium, Calcium, Magnesium, Aluminium, Silicon, Oxygen, Hydrogen

Number of elements

7

IMA status

Redefined

Named after

Pargas

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2056968