Elbaite

elbaite

Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)Chemical formula

TrigonalCrystal system

7.0Mohs hardness

Facts

Chemical formula: Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Crystal system: Trigonal
Mohs hardness: 7.0
Elements in formula: Sodium, Lithium, Aluminium, Silicon, Oxygen, Boron, Hydrogen
Number of elements: 7
IMA status: Grandfathered
Type locality: San Piero in Campo
Named after: Elba