IMA mineral species

Sassolite

B(OH)₃

Orthoboric acid, mineral species.

YellowBrownGrayWhite & Clear

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

Properties

Chemical formulaB(OH)₃
ElementsB, O, H
Crystal systemTriclinic
Mohs hardness1
Density1.648 g/cm³
Streakwhite
Color—
IMA symbolSso
Nickel–Strunz class6.AA.05

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

🌍 Where it's found

Type locality (where it was first described): Sasso Pisano, Italy

  • 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.