IMA mineral species

Natropharmacosiderite

(Na,K)Fe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O

Arsenate mineral.

Natropharmacosiderite specimen
Natropharmacosiderite-643523.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Na,K)Fe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O
ElementsNa, K, Fe, As, O, H
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolNpsd
Nickel–Strunz class8.DK.10

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