IMA mineral species Healing crystal

Zoisite

Ca₂Al₃(Si₂O₇)(SiO₄)O(OH)

Sorosilicate mineral.

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

Properties

Chemical formulaCa₂Al₃(Si₂O₇)(SiO₄)O(OH)
ElementsCa, Al, Si, O, H
Crystal systemOrthorhombic
Mohs hardness6.5
Density—
Streak—
Color—
IMA symbolZo
Nickel–Strunz class9.BG.10

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

🌍 Where it's found

Type locality (where it was first described): Sauland, Norway · Saualpe, Austria

  • 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.

Varieties & related stones

✨ 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.