IMA mineral species

Andrémeyerite

BaFe²⁺₂(Si₂O₇)

Sorosilicate mineral.

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

Properties

Chemical formula	BaFe²⁺₂(Si₂O₇)
Elements	Ba, Fe, Si, O
Crystal system	Monoclinic
Mohs hardness	5.5
Density	—
Streak	—
Color	—
IMA symbol	Amy
Nickel–Strunz class	9.BB.20

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

🌍 Where it's found

Type locality (where it was first described): Mount Nyiragongo, Democratic Republic of the Congo

Type locality
Notable source / deposit
Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

Learn more

Andrémeyerite on Mindat.org
Wikidata item Q523795 (source of this page's data – you can correct it there)