Gem material Gemstone Healing crystal

Precious opal

Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure..

TealMulticolor & Iridescent

Variety of Opal.

Properties

Chemical formula—
Elements—
Crystal system—
Mohs hardness—
Density—
Streak—
Color—

“—” 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.

✨ Opal family

✨ 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.