IMA mineral species

Pinnoite

MgB₂O(OH)₆

Nesoborate mineral.

YellowGreenWhite & Clear

Pinnoite specimen
Pinnoite-179852.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMgB₂O(OH)₆
ElementsMg, B, O, H
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPno
Nickel–Strunz class6.BB.05

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

🌍 Where it's found

Type locality (where it was first described): Staßfurt, Germany

  • 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.