IMA mineral species

Taranakite

K₃Al₅(PO₃OH)₆(PO₄)₂·18H₂O

Phosphate mineral.

Yellow Gray White & Clear

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

Properties

🔷 Trigonal✏️ streak white

Chemical formula	K₃Al₅(PO₃OH)₆(PO₄)₂·18H₂O
Elements	K, Al, P, O, H
Crystal system	Trigonal
Mohs hardness	—
Density	—
Streak	white
Color	—
IMA symbol	Tar
Nickel–Strunz class	8.CH.25

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

Learn more

Taranakite on Mindat.org
Wikipedia article
Wikidata item Q3981032 (source of this page's data – you can correct it there)