Hancockite

Facts

Chemical formula

CaPb(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)

Crystal system

Monoclinic

Elements in formula

Calcium, Lead, Aluminium, Iron, Silicon, Oxygen, Hydrogen

Number of elements

7

IMA status

Renamed

Type locality

Franklin, Parker shaft

Named after

Epidote

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3726866