IMA mineral species Healing crystal

Gypsum

CaSO₄·2H₂O

Mineral, calcium sulfate with bounded water.

RedYellowBluePinkBrownGrayWhite & Clear

Gypsum specimen
Gypse Caresse.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCaSO₄·2H₂O
ElementsCa, S, O, H
Crystal systemMonoclinic
Mohs hardness2
Density2.31 – 2.33 g/cm³
Streakwhite
Color—
IMA symbolGp
Nickel–Strunz class7.CD.40

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

Varieties & related stones

✨ Metaphysical & Folklore

💧 Elixir safety: Gypsum is slightly water-soluble and soft. Keep it dry.

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