Rossmanite

Facts

Chemical formula

☐(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

Crystal system

Trigonal

Mohs hardness

7.0

Elements in formula

Lithium, Aluminium, Silicon, Oxygen, Boron, Hydrogen

Number of elements

6

IMA status

Approved

Named after

George R. Rossman

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3941647