IMA mineral species

Ferrihydrite

Fe³⁺₁₀O₁₄(OH)₂

Hydroxide mineral.

YellowBrown

Ferrihydrite specimen
Ferrihydrite Hettstedt-0.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe³⁺₁₀O₁₄(OH)₂
ElementsFe, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFhy
Nickel–Strunz class4.FE.35

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