IMA mineral species

Vivianite

☀️ Fades in Sunlight

Fe²⁺₃(PO₄)₂·8H₂O

Phosphate mineral.

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Vivianite specimen
Vivianite-22431 (Henk Smeets, tomeikminerals).jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe²⁺₃(PO₄)₂·8H₂O
ElementsFe, P, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolViv
Nickel–Strunz class8.CE.40

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

Care & Handling

  • ☀️ Fades in Sunlight Darkens on exposure to light.