IMA mineral species

Akaganeite

(Fe³⁺,Ni²⁺)₈(OH,O)₁₆Cl₁.₂₅·nH₂O

Oxide mineral.

YellowBrown

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

Properties

Chemical formula(Fe³⁺,Ni²⁺)₈(OH,O)₁₆Cl₁.₂₅·nH₂O
ElementsFe, Ni, O, H, Cl
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAkg
Nickel–Strunz class4.DK.05

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