IMA mineral species

Macaulayite

(Fe,Al)₂₄Si₄O₄₃(OH)₂

Phyllosilicate mineral.

Red

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

Properties

Chemical formula(Fe,Al)₂₄Si₄O₄₃(OH)₂
ElementsFe, Al, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streakpink
Color—
IMA symbolMcy
Nickel–Strunz class9.EC.65

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