IMA mineral species

Borocookeite

Li₁+₃xAl₄-x(BSi₃O₁₀)(OH)₈

Phyllosilicate mineral.

Borocookeite specimen
Borocookeite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaLi₁+₃xAl₄-x(BSi₃O₁₀)(OH)₈
ElementsLi, Al, B, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolBckt
Nickel–Strunz class9.EC.55

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

🌍 Where it's found

Type locality (where it was first described): Malkhan pegmatite field, Russia