Spurrite

Facts

Chemical formula

Ca₅(SiO₄)₂(CO₃)

Crystal system

Monoclinic

Mohs hardness

5.0

Elements in formula

Calcium, Silicon, Oxygen, Carbon

Number of elements

4

IMA status

Grandfathered

Named after

Josiah E. Spurr

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1956872