IMA mineral species

Magnesiochloritoid

MgAl₂O(SiO₄)(OH)₂

Nesosilicate mineral.

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

Properties

🔷 Monoclinic

Chemical formula	MgAl₂O(SiO₄)(OH)₂
Elements	Mg, Al, O, Si, H
Crystal system	Monoclinic
Mohs hardness	—
Density	—
Streak	—
Color	—
IMA symbol	Mcld
Nickel–Strunz class	9.AF.85

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

🌍 Where it's found

Type locality (where it was first described): Allalin Glacier, Switzerland

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

Magnesiochloritoid on Mindat.org
Wikidata item Q3843285 (source of this page's data – you can correct it there)