IMA mineral species

Magnesiodumortierite

MgAl₆BSi₃O₁₇(OH)

Nesosilicate mineral.

Properties

Chemical formulaMgAl₆BSi₃O₁₇(OH)
ElementsMg, Al, B, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMdum
Nickel–Strunz class9.AJ.10

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

🌍 Where it's found

Type locality (where it was first described): Gilba valley, Italy · Case Parigi, Italy