IMA mineral species

Mcallisterite

Mg₂[B₆O₇(OH)₆]₂ * 9H₂O

Nesoborate mineral.

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

Properties

Chemical formulaMg₂[B₆O₇(OH)₆]₂ * 9H₂O
ElementsMg, B, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMcl
Nickel–Strunz class6.FA.10

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

🌍 Where it's found

Type locality (where it was first described): Furnace Creek district, United States