Tags: Chemical Substance, Mineral.
Elbaite a sodium lithium aluminium boro-silicate is a mineral species belonging to the six member ring cyclosilicate tourmaline group with the following general composituion: Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4 Elbaite forms three series with dravite with fluor-liddicoatite and with schorl. Due to these series specimens with the ideal end-member formula are not found occurring naturally.