Emmonsite

Facts

Chemical formula

Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O

Mohs hardness

5.0

Elements in formula

Iron, Tellurium, Oxygen, Hydrogen

Number of elements

4

IMA status

Grandfathered

Type locality

Tombstone

Named after

Samuel Franklin Emmons

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q949862