IMA mineral species Healing crystal

Staurolite

Fe²⁺₂Al₉Si₄O₂₃(OH)

Nesosilicate mineral.

RedYellowGoldBlueBrownBlack

Staurolite specimen
Staurolite-37001.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe²⁺₂Al₉Si₄O₂₃(OH)
ElementsFe, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSt
Nickel–Strunz class9.AF.30

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

🌍 Where it's found

  • 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.

✨ Metaphysical & Folklore

These are traditional and folk beliefs from crystal lore. They are not scientific or medical claims – crystals are not a substitute for professional care.