These are carved/sculpted lightning bolts in a variety of popular gemstones. Each bolt is in the range of 2 to 3 ". Every lightning bolt is different, size and color will vary. These products are not intended to diagnose, cure or treat any ailment. Please refer to your medical or psychiatric doctor for treatment. **Please note - at KC we do our very best to give you accurate measurements and descriptions. Please allow for +/- 2mm on spheres and bowls, +/- 0.1 ounces on weights and that photos of thick 3D objects on our 2D grid can make the inches look distorted. Please review all photos for details of the item. Natural crystals may have fractures, inclusions, color variations and characteristics that make each one unique and potentially perfectly imperfect. We appreciate your business and hope you love this item as much as we did. **