Despite their reputation for mystical powers, crystal skulls are neither ancient nor mysterious.
The Crystal Skull of Compassion - Rite of Ritual
The crystal skull; the story of the mystery, myth and magic of the Mitchell-Hedges crystal skull discovered in a lost Mayan city during a search for Atlantis : Garvin, Richard M
What is mysterious about crystal skull? - Quora
Out of Place Artifact, PDF, Conservation And Restoration
Skeptoid Episode Guide
The Mystery of the Crystal Skulls
Ancient Crystal Skulls - Crystal Dreams World
The Magic of Crystal Skills – Soul Gifts
Do the crystal skulls exist? What are they useful for? - Quora
Why is one of the “Thirteen Aztec Crystal Skulls” called the Einstein skull? - Quora