These Colombian singing Lemurian quartz crystals are fabulous, high vibrational crystals that come from the Muzo Emerald Mining District in Boyaca, Colombia. They are found in between layers of shale. They are clear and bright with silver-like insides and most have well developed striations. These marvelous light worker tools help strengthen the immune system and help cleanse the toxicity from the body, mind and spirit. They are fast becoming the Lemurian of choice by healers everywhere.