IMA mineral species Healing crystal

Prehnite

Transitional ino-phyllosilicate mineral.

YellowGreenGrayWhite & Clear

Prehnite specimen
Prehnite - Southbury, Connecticut, USA.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula—
Elements—
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolPrh
Nickel–Strunz class9.DP.20

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

🌍 Where it's found

Type locality (where it was first described): Cradock, South Africa

  • 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.