Geode / nodule Healing crystal

Calcite Geode

Yellow

Variety of Calcite.

Calcite Geode specimen
Calcite geode Pau River MNHN Minéralogie.jpg · Wikimedia Commons (see file page for author & license)

🪨 Geode facts

AgeCommonly Mississippian (about 340 million years) in the US Midwest
Origin & sourcesUSA (Iowa, Missouri, Indiana, Kentucky), Mexico, China.
CompositionCalcite crystals (sometimes golden or with pyrite) inside a chalcedony or limestone shell

How it forms

Carbonate-rich groundwater filled cavities in limestone or nodules, depositing calcite crystals, often after an earlier quartz lining.

Mineral data: see Calcite.

🌍 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.

✨ Calcite 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.