IMA mineral species

Potassic-ferri-leakeite

KNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂

Na-amphibole, double chain inosilicate mineral.

Properties

Chemical formula	KNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂
Elements	K, Na, Mg, Fe, Li, Si, O, H
Crystal system	Monoclinic
Mohs hardness	4 – 6
Density	—
Streak	yellow
Color	brown
Cleavage	{110}
IMA symbol	Pflk
Nickel–Strunz class	9.DE.25

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

🌍 Where it's found

Type locality (where it was first described): Tanohata mine, Japan

Learn more

Potassic-ferri-leakeite on Mindat.org
Wikidata item Q3909498 (source of this page's data – you can correct it there)