The beads come in different size because they are made of natural stones

including wisdom

Serpentine is a basic magnesium silicate

One of the most popular uses of black obsidian is to create a shield of protection to ward off negative or harmful energies

Size(inch): Approx 4''

3“ Moss Agate Model Carving Wholesale Crystals USA The beads come in differentSize(inch): Approx 3. 0'' Weight(g): Approx 160g pc Kindly note: Colors may vary with different screen resolutions. All photos are completely unedited, straight off the camera. The crystals are come in all different shapes and sizes. Don't worry your pretty little head about it, we will pick out a perfect stone for you.