He combines the most powerful protective stones in a jewel. Pearl size: 8 mm (0.31inch)Perfect bracelet: this very beautiful hematite, obsidian and tiger eye bracelet will bring you this quality by highlighting the wrist. The gems used to make them are carefully selected for their finesse and high quality.Ideal product: hematite is a very widespread iron ore which is in sedimentary rocks, metamorphic rocks, hydrothermal environments or volcanic smoking; Obsidian is a volcanic rock, and sudden cooling changes the viscous state of the lava into a hard glass substance; Tiger's eye is considered protective. The three combined together make the bracelet more perfectIdeal size: with its elastic link 19cm, this bracelet adapts to all wrist sizes. Perfect gift for Christmas day, birthday, Valentine day, mother's day, father day and birthday to your girlfriend, boyfriend, father, wife and mom.