IMA mineral species

Cookeite

(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈

Phyllosilicate mineral.

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Cookeite specimen
Cookeite-gem7-37a.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈
ElementsAl, Li, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCkt
Nickel–Strunz class9.EC.55

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